A body is falling from a height h. After it has fallen a height h/2 (HALF WAY), it will possess -Physics

A body is falling from a height h. After it has fallen a height h/2 (HALF WAY), it will possess -Physics
by

1 Answer

Answer :

half potential and half kinetic energy
by

Related questions

A system exhibiting S.H.M. must possess – (1) Elasticity as well as inertia (2) Elasticity, inertia and an external force (3) Elasticity only (4) Inertia only

Description : A system exhibiting S.H.M. must possess – (1) Elasticity as well as inertia (2) Elasticity, inertia and an external force (3) Elasticity only (4) Inertia only

Last Answer : (1) Elasticity as well as inertia Explanation: Basic conditions to execute simple harmonic motion are: (i) There must be an elastic restoring force acting on the system, (ii) the system ... of the system should be directly proportional to its displacement and is always directed to mean position.

A system exhibiting S.H.M. must possess (1) Elasticity as well as inertia (2) Elasticity, inertia and an external force (3) Elasticity only (4) Inertia only

Description : A system exhibiting S.H.M. must possess (1) Elasticity as well as inertia (2) Elasticity, inertia and an external force (3) Elasticity only (4) Inertia only

Last Answer : Elasticity as well as inertia

After striking the floor, a rubber ball rebounds (7/8)th of height from which it has fallen. Find the total distance that it travels before coming to rest, if it is gently dropped from a height of 420 meters. a) 2940 b) 6300 c) 1080 d) 3360

Description : After striking the floor, a rubber ball rebounds (7/8)th of height from which it has fallen. Find the total distance that it travels before coming to rest, if it is gently dropped from a height of 420 meters. a) 2940 b) 6300 c) 1080 d) 3360

Last Answer : b) 6300

In a construction site, a crane lifts 1000 kg of concrete mix to roof top at a height of 20 meters in 50 seconds. If the value of gravity 'g' due to earth is 10 m s-2, the power of elevator will be. -Physics

Description : In a construction site, a crane lifts 1000 kg of concrete mix to roof top at a height of 20 meters in 50 seconds. If the value of gravity 'g' due to earth is 10 m s-2, the power of elevator will be. -Physics

Last Answer : 4 KW (kilowatt)

Two army persons A and B each of weight of 500 N climb up a rope through a height of 10 m. A takes 20 s while B takes 40 s to achieve this task. What is ratio of the powers of person A and B? -Physics

Description : Two army persons A and B each of weight of 500 N climb up a rope through a height of 10 m. A takes 20 s while B takes 40 s to achieve this task. What is ratio of the powers of person A and B? -Physics

Last Answer : The ratio of powers of A and B = 2: 1 Explanation : Where , Fa = 500N S = 10m Fb = 500N ta = 20s , tb = 40s Image solution

Why does falling on sand from the same height cause less injury than hard floor ?

Description : Why does falling on sand from the same height cause less injury than hard floor ?

Last Answer : Falling on sand from the same height causes less injury than hard floor. Reason: When a person falls on a hard floor from above, the floor pushes backwards as a reaction on the person. Since the floor ... the person move a little downhill easily. So it hurts less to fall on sand than on hard floor.

What were the small metelsome what star shape things that the civil war aera soldiers use to lay on the road for the horse to step on them and fall. making the fallen soldier easier to fight than on h?

Description : What were the small metelsome what star shape things that the civil war aera soldiers use to lay on the road for the horse to step on them and fall. making the fallen soldier easier to fight than on h?

Last Answer : Need answer

Can the decay half-life of a radioactive material be changed? -Physics

Description : Can the decay half-life of a radioactive material be changed? -Physics

Last Answer : Yes, the decay half-life of a radioactive material can be changed. Radioactive decay happens when an unstable atomic nucleus spontaneously changes to a lower-energy state and spits out a bit of ... radiometric dating are so accurate because decay half-lives in nature are so close to constant.

When the shear strength of nut is half the tensile strength of bolt, the height of nut (h) should be (A) h = 0.5 dc (B) h = 0.25 dc (C) h = 0.75 dc (D) h = dc

Description : When the shear strength of nut is half the tensile strength of bolt, the height of nut (h) should be (A) h = 0.5 dc (B) h = 0.25 dc (C) h = 0.75 dc (D) h = dc

Last Answer : (B) h = 0.25 dc

In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by aslowly falling body weighing 40 kg through a height of 4 m. The process isrepeated 500 times. The acceleration due to gravity is 9.8 ms-2. Neglectingthe heat capacity of agitator, the temperature of water (in °C) is(A) 40.5(B) 34.4(C) 26.8(D) 25

Description : In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by a slowly falling body weighing 40 kg through a height of 4 m. The process is repeated ... temperature of water (in °C) is (A) 40.5 (B) 34.4 (C) 26.8 (D) 25

Last Answer : (B) 34.4

Pick out the wrong statement. (A) Higher specific gravity of petroleum products means higher C/H ratio (B) Aromatics have lower specific gravity than corresponding paraffins (C) Hydrocarbons of low specific gravity (e.g., paraffins) possess the maximum thermal energy per unit volume (D) Hydrocarbons of high specific gravity (e.g., aromatics) possess the maximum thermal energy per unit weight

Description : Pick out the wrong statement. (A) Higher specific gravity of petroleum products means higher C/H ratio (B) Aromatics have lower specific gravity than corresponding paraffins (C) Hydrocarbons of low ... of high specific gravity (e.g., aromatics) possess the maximum thermal energy per unit weight

Last Answer : (B) Aromatics have lower specific gravity than corresponding paraffins

Which one of the following best defines the word “allotropes”? A Different structural forms of an element B A pair of substances that differ by H+ C Elements that possess properties intermediate between those of metals and nonmetals D Atoms of a given atomic number that have a specific number of neutrons E The different phases (solid, liquid or gas) of a substance

Description : Which one of the following best defines the word allotropes ? A Different structural forms of an element B A pair of substances that differ by H+ C Elements that possess properties intermediate between ... a specific number of neutrons E The different phases (solid, liquid or gas) of a substance

Last Answer : A Different structural forms of an element 

A person of mass ‘m’ kg jumps from a height of ‘h’ meters, he will land on the ground with a velocity equal to: A. √(2 × g × hB. 1/h × √(2 × g)C. 2ghD. 2√(g × h))

Description : A person of mass ‘m’ kg jumps from a height of ‘h’ meters, he will land on the ground with a velocity equal to: A. √(2 × g × h) B. 1/h × √(2 × g) C. 2gh D. 2√(g × h)

Last Answer : √(2 × g × h)

Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth- (1) remains same (2) becomes half (3) becomes twice (4) becomes one-fourth

Description : Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth- (1) remains same (2) becomes half (3) becomes twice (4) becomes one-fourth

Last Answer : (4) becomes one-fourth Explanation: The gravitational force is proportional to 1/R2, where R is the distance from the centre of the Earth. So at a height of 2R from the centre of the earth, the corresponding weight would be one-fourth of the original weight.

If the momentum of a body is tripled, its KE will -Physics

Description : If the momentum of a body is tripled, its KE will -Physics

Last Answer : It becomes nine times its original value.

A body is moving with velocity 4 m/s , possesses 56 Joules of Kinetic Energy. The momentum of body will be equal to -Physics

Description : A body is moving with velocity 4 m/s , possesses 56 Joules of Kinetic Energy. The momentum of body will be equal to -Physics

Last Answer : (d) 28 kgms-1

When a body falls freely towards the earth, then its total energy -Physics

Description : When a body falls freely towards the earth, then its total energy -Physics

Last Answer : remains constant

two persons a and b each of weight 500 n climb up a rope through a height of 10 m . a takes 20 s while b takes 40 s to achieve this task . what is the ratio of powers of a and b ? -Physics 9th

Description : two persons a and b each of weight 500 n climb up a rope through a height of 10 m . a takes 20 s while b takes 40 s to achieve this task . what is the ratio of powers of a and b ? -Physics 9th

Last Answer : The ratio of powers of A and B = 2: 1 Explanation : Where , Fa = 500N S = 10m Fb = 500N ta = 20s , tb = 40s

Two army persons A and B each of weight of 500 N climb up a rope through a height of 10 m. A takes 20 s while B takes 40 s to achieve this task. -Physics 9th

Description : Two army persons A and B each of weight of 500 N climb up a rope through a height of 10 m. A takes 20 s while B takes 40 s to achieve this task. -Physics 9th

Last Answer : The ratio of powers of A and B = 2: 1 Explanation : Where , Fa = 500N S = 10m Fb = 500N ta = 20s , tb = 40s

Two army persons A and B each of weight of 500 N climb up a rope through a height of 10 m. -Physics 9th

Description : Two army persons A and B each of weight of 500 N climb up a rope through a height of 10 m. -Physics 9th

Last Answer : Here you go :

Find the energy possessed by an object of mass 10 kg when it is at a height of 2 m above the ground. Given, g = 10 m/s2 -Physics 9th

Description : Find the energy possessed by an object of mass 10 kg when it is at a height of 2 m above the ground. Given, g = 10 m/s2 -Physics 9th

Last Answer : Given, Mass of object m=10kg. Height h=6m. Acceleration due to gravity g=9.8m/s2 Potential Energy of object P.E=m×g×h ⇒mgh=10×9.8×6=98×6 =588J Energy possessed by the object is 588Joule.

An engineer is asked to design a playground slide such that the speed a child reaches at the bottom does not exceed 4.0 m/s. Determine the maximum height that the slide can be.?Given, g = 9.8 m/s2. -Physics 9th

Description : An engineer is asked to design a playground slide such that the speed a child reaches at the bottom does not exceed 4.0 m/s. Determine the maximum height that the slide can be.?Given, g = 9.8 m/s2. -Physics 9th

Last Answer : Entire PE is converted to KE when the child reaches bottom So KE = PE 12mv2=mgH12mv2=mgH or H=v22g=162×9.8=.816mH=v22g=162×9.8=.816m

Calculate the power of an electric motor that can lift 800 kg of water to store in a tank at a height of 1500cm in 20s -Physics 9th

Description : Calculate the power of an electric motor that can lift 800 kg of water to store in a tank at a height of 1500cm in 20s -Physics 9th

Last Answer : The power of an electric motor to store the water is 6000 W. Given m= 800 kg, h = 1500 cm = 15 m, g = 10 m/s^2 and t = 20 s. W = 120000 J. P = 6000 W. Thus, the power of an electric motor to store the water is 6000 W.Apr 6, 2016

An object with 100 N weights is raised to a height of 15m. Find the potential energy possessed by the object at that height. Also find the new potential energy: -Physics 9th

Description : An object with 100 N weights is raised to a height of 15m. Find the potential energy possessed by the object at that height. Also find the new potential energy: -Physics 9th

Last Answer : Potential Energy is given by PE=mgHPE=mgH Given mg=100N and H=15 m PE=100 15=1500JPE=100 15=1500J If If the same object is raised half of its original height i.e H= 7.5 m PE=100 7.5=750JPE=100 ... same object is raised to three times of its original height i.e H=45 m PE=100 45=4500JPE=100 45=4500J

An electric bulb of 100 W is used for 8 h per day. Calculate the 'units' of energy consumed in one day by the bulb? -Physics 9th

Description : An electric bulb of 100 W is used for 8 h per day. Calculate the 'units' of energy consumed in one day by the bulb? -Physics 9th

Last Answer : Given : t=6 hrs P=0.06 kW Thus energy consumed per day is: E=Pt=0.06×6=0.36 kWh=0.36 units

If you don't know you fell asleep, does your body still get the benefit of having fallen asleep?

Description : If you don't know you fell asleep, does your body still get the benefit of having fallen asleep?

Last Answer : I am guessing with that short a final interval, you get ripped out of sleep right in the middle of the deep sleep phase, which will absolutely wreck you. Happens to me all the time. You can try to ... if you are quick about the business you need to perform, and keep the lights down while you do it.

In frictionless environment which is fallen first amongst light body or heavy body?

Description : In frictionless environment which is fallen first amongst light body or heavy body?

Last Answer : While falling, if we neglect air resistance (friction) then only force acting on body is its own weight viz = mg So now its totally depend on mass of body, more is mass more will be the force acting on body and earlier will it reach the ground and vice verca

A spring ball of mass 0.5 kg is dropped from some height. On falling freely for 10 s, it explodes into two fragments of mass ratio 1:2.

Description : A spring ball of mass 0.5 kg is dropped from some height. On falling freely for 10 s, it explodes into two fragments of mass ratio 1:2.

Last Answer : A spring ball of mass 0.5 kg is dropped from some height. On falling freely for 10 s, ... m/s. Calculate the kinetic energy supplied during explosion.

The fluid property which matters for falling rain drops to acquire spherical shape is its (A) Pressure (B) Height of descend (C) Viscosity (D) Surface tension

Description : The fluid property which matters for falling rain drops to acquire spherical shape is its (A) Pressure (B) Height of descend (C) Viscosity (D) Surface tension

Last Answer : (D) Surface tension

The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by Prismoidal formula, is (A) 3250 m3 (B) 3225 m3 (C) 3275 m3 (D) 3300 m3

Description : The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient ... calculated by Prismoidal formula, is (A) 3250 m3 (B) 3225 m3 (C) 3275 m3 (D) 3300 m3

Last Answer : (B) 3225 m3

Opening WDV off the block of assets was Rs 15 lakh. During the year, asset was acquired under this block on 15 June 2017 amounting to rupees 10 lakh. One of the assets falling within the block was sold for rupees 5.5 lakh on 14 January 2018. Rate of depreciation of block is 10%. Calculate the amount of depreciation available during the previous year for the block. e. rupees 1.95 lakh f. rupees 2.5 lakh g. rupees 2.25 lakh h. Rs 1.45 lakh

Description : Opening WDV off the block of assets was Rs 15 lakh. During the year, asset was acquired under this block on 15 June 2017 amounting to rupees 10 lakh. One of the assets falling within the block was sold for rupees 5.5 ... . rupees 1.95 lakh f. rupees 2.5 lakh g. rupees 2.25 lakh h. Rs 1.45 lakh

Last Answer : e. rupees 1.95 lakh

How much extra radiation am I exposed to if I stick my hand in the microwave right after it turns off? -Physics

Description : How much extra radiation am I exposed to if I stick my hand in the microwave right after it turns off? -Physics

Last Answer : You are actually exposed to less radiation if you stick your hand in a properly functioning microwave oven right after it turns off. First of all, the microwaves emitted by a microwave oven are not ... the radiation you are exposed to is so low-energy that there is nothing to be concerned about.

A body in Simple Harmonic Motion will attain maximum velocity when it passes through a.Point of 0.75 amplitude b.Extreme point of the oscillation of L.H.S. c.Point of half amplitude d.Extreme point of the oscillation at R.H.S. e.Mean position

Description : A body in Simple Harmonic Motion will attain maximum velocity when it passes through a.Point of 0.75 amplitude b.Extreme point of the oscillation of L.H.S. c.Point of half amplitude d.Extreme point of the oscillation at R.H.S. e.Mean position

Last Answer : e. Mean position

9. One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object? Verify your answer experimentally. Explain your observations. -Physics-10

Description : 9. One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object? Verify your answer experimentally. Explain your observations. -Physics-10

Last Answer : Yes, it will produce a complete image of the object, as shown in the figure. This can be verified experimentally by observing the image of a distant object like a tree on a screen when the ... the lens is covered with a black paper. However, the intensity or brightness of the image will reduce.

Why is it only mid-May and the leaves on my huge, 45 year old maple tree turning half black and falling off?

Description : Why is it only mid-May and the leaves on my huge, 45 year old maple tree turning half black and falling off?

Last Answer : Please specify the type of Maple Tree that you have. Some only live to the mid-40's, and without knowing the type of tree, it would be difficult to fully answer your question. -Birdy

How can I train my dog to not sleep up against me in bed after I've fallen asleep?

Description : How can I train my dog to not sleep up against me in bed after I've fallen asleep?

Last Answer : answer:I sleep on the couch where there’s no room for invasive snuggling. How about leaving the TV on when you fall asleep or rubbing some meat on your hubby?

How much Gold does the typical human body possess in its members?

Description : How much Gold does the typical human body possess in its members?

Last Answer : Gold isn’t needed by the human body but the average human has around 0.004 parts per billion in their blood. The amount of gold found in human hair varies from 0.8 to 430 ppb. Marine animals have less gold in them than terrestrial animals. You can find out more here

The organisms attached to the substratum, generally, possess (a) one single opening of the digestive canal (b) cilia on the surface to create water current (c) radial symmetry (d) asymmetrical body

Description : The organisms attached to the substratum, generally, possess (a) one single opening of the digestive canal (b) cilia on the surface to create water current (c) radial symmetry (d) asymmetrical body

Last Answer : (c) radial symmetry

Consider following features. (A) Organ system level of organisation (B) Bilateral symmetry (C) True coelomates with segmentation of body Select the correct option of animal groups which possess all the above characteristics. (a) Annelida, Mollusca and Chordata (b) Annelida, Arthropoda and Chordata (c) Annelida, Arthropoda and Mollusca (d) Arthropoda, Mollusca and Chordata

Description : Consider following features. (A) Organ system level of organisation (B) Bilateral symmetry (C) True coelomates with segmentation of body Select the correct option of animal groups which possess ... Arthropoda and Chordata (c) Annelida, Arthropoda and Mollusca (d) Arthropoda, Mollusca and Chordata

Last Answer : (B) Bilateral symmetry

One of the asteroids have fallen out of its place in the asteroid belt and is hurling towards the sun. Our earth is in its way and there is all likelihood of a collision. What can be done to prevent this collision?

Description : One of the asteroids have fallen out of its place in the asteroid belt and is hurling towards the sun. Our earth is in its way and there is all likelihood of a collision. What can be done to prevent this collision?

Last Answer : Use the shock wave to deflect it away from earth. Which means attach three large remote controlled rockets to the asteroid turning it into a large space vehicle and move it away from a dangerous collision.

Faucet A and B can fill a tank in 15 and 9 hrs respectively. Faucet C can empty it in 45 h. The tank is half full. All the three faucets are in operation simultaneously. After how much time the tank will be full ? A) 1(7/15)hrs B) 2(1/11)hrs C) 3(3/14)hrs D) 3(3/11)hrs

Description : Faucet A and B can fill a tank in 15 and 9 hrs respectively. Faucet C can empty it in 45 h. The tank is half full. All the three faucets are in operation simultaneously. After how much time the tank will be full ? A) 1(7/15)hrs B) 2(1/11)hrs C) 3(3/14)hrs D) 3(3/11)hrs

Last Answer : C In 1 hr = 1/15+1/9 – 1/45 =>3+5-1/45 = 7/45 ½ tank filled by 3 Faucets = 45/7*1/2 => 45/14 =>3(3/14)

The height which the weight of a body becomes 1/16th, its weight on the surface of earth (radius R) is (1) 4 R (2) 5 R (3) 15 R (4) 3 R

Description : The height which the weight of a body becomes 1/16th, its weight on the surface of earth (radius R) is (1) 4 R (2) 5 R (3) 15 R (4) 3 R

Last Answer : (4) 3 R

What are some basic interesting topics of physics ?

Description : What are some basic interesting topics of physics ?

Last Answer : Some basic but interesting topics in physics include: Force and motion: This topic covers the basic laws of motion, such as Newton's laws, and how they apply to objects in motion. Energy and ... dives into any of these topics can lead to a deeper understanding of physics and the world around us.

Is there someone here at Fluther who is a professor of Physics?

Description : Is there someone here at Fluther who is a professor of Physics?

Last Answer : There was a guy here, maybe 3–4 years ago, with the Fluther name of AlbertEinstein. I haven’t seen him a whole, and I doubt it was the real one.

Are you ready for new physics?

Description : Are you ready for new physics?

Last Answer : Yes, have been for a while.

Physics homework question about waves.

Description : Physics homework question about waves.

Last Answer : Frequency times wavelength equals speed. So frequency divided by speed equals wavelength. (Don't know if this helps but I thought I'd take a crack at it. Info here is from The Wonders of ... . A deluxe Golden Book, text by Irving Adler, copyright 1966 by Western Publishing Company, New York.)

What kind of physics does a police officer need for investigating car accidents?

Description : What kind of physics does a police officer need for investigating car accidents?

Last Answer : K=½mv² is about as complex as it gets for either. Physics isn’t the hard part about forensics though.

Book on logic and its interconnectedness with physics?

Description : Book on logic and its interconnectedness with physics?

Last Answer : If in an alternate universe the speed of light was different from ours, their laws of physics would be different, but likely would be analogous.

Using your physics and math skills what is your estimate for Clifford the Big Red Dog's weight?

Description : Using your physics and math skills what is your estimate for Clifford the Big Red Dog's weight?

Last Answer : OMG! I love Clifford! I’ll say he weighs about 18,000 pounds, because I think maybe he is even bigger than an elephant. I don’t know if dogs generally have a higher muscle to fat ratio than an elephant? That might make a difference.

Is the University of Arizona known for it's physics programs?

Description : Is the University of Arizona known for it's physics programs?

Last Answer : Didn’t the Arizona State legislature pass a law that physics must to be taught with Intelligent Design?