Description : If a rock weighing 2200 N is dropped from a height of 15 m what is its KE just before it hits the ground Remember weight is measured in newtons (N) and is equal to mass times gravity.?
Last Answer : 33,000 J
Description : A ball is dropped from the top of a building 122.5 m high. How long will it take to reach the ground? What wilt be its velocity
Last Answer : A ball is dropped from the top of a building 122.5 m high. How long will it take to reach ... ? What wilt be its velocity when it strikes the ground?
Description : Two stones of different masses are dropped simultaneously from the top of a building – (1) Smaller stone reaches the ground earlier (2) Larger stone reaches the ground earlier (3) Both the stones reach the ground at the same time (4) Depends on the composition of the stone
Last Answer : (3) Both the stones reach the ground at the same time Explanation: Both stones at the same Lime. The initial speed is 0 for both stones, and the only acceleration working in that system would be g ... way across the air. The shape of the falling object will decide the force needed to open that way.
Description : Two stones of different masses are dropped simultaneously from the top of a building (1) Smaller stone reaches the ground earlier (2) Larger stone reaches the ground earlier (3) Both the stones reach the ground at the same time (4) Depends on the composition of the stone
Last Answer : Both the stones reach the ground at the same time
Description : If a 99.79 kg man jumps from the top of a 176.8 meter tall building how long does it take for his body to decelerate to 0 ms once first contact with the ground is made?
Last Answer : It depends upon how much the ground deforms once the first bit of his body hits the ground, and how much his body deforms once the first bit of his body has hit the ground. The former is likely to be ... his body). It will be any time greater than 0 seconds, the the amount of time depends as above.
Description : Rae dropped a bowling ball from a height of 8 meters. At which distance above the ground was the ball MOST likely moving at the greatest speed?
Last Answer : Still accelerating til it hits earth. ====================================== The height from which she dropped the ball is irrelevant. In any case, the ball was most likely moving at the greatest speed just as it hit the ground. The answer to the question is: zero.
Description : A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: (1) just after it is dropped (2) when it is just on the half-way (3) just before it touches the ground (4) when it touches the ground
Last Answer : (3) just before it touches the ground Explanation: When an object reaches the ground it has its maximum value of kinetic energy just before touching the ground. Since kinetic energy + potential energy ... energy of an object becomes zero (0). The kinetic energy on reaching ground becomes maximum.
Last Answer : just before it touches the ground
Description : A ball A of mass 0.25 kg moving on a smooth horizontal table with a velocity of 10 m/s strikes an identical stationary ball B on the table. If the impact is perfectly elastic, the velocity of the ball B just after the impact will be a.2.5 m/s b.zero c.5 m/s d.10 m/s e.107 dynes
Last Answer : c. 5 m/s
Description : A block P released from the top of a smooth inclined plane slides down the plane. Another block Q is dropped from the same point and falls vertically downwards. Which one of the following statements will be ... with the same speed (d) Block Q will reach the ground with a higher speed than block P
Last Answer : Ans:(c)
Description : A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle? (1) Circle (2) Parabolic (3) Great circle (4) Hyper-parabolic
Last Answer : (2) Parabolic Explanation: If a particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower then a parabolic path will be traversed by ... the point of projection and when it reaches the ground that point is called the point of impact.
Description : A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ? (1) Circle (2) Parabolic (3) Great circle (4) Hyper–parabolic
Last Answer : Parabolic
Description : what is the tallness of the building...,,Peter is 2 feet 9 inches away from the mirror and the mirror is 11 feet away from the wall of the building. Peter knew his eye level was exactly 5 ft 6 inches off of the ground, How tall is the building in feet?
Last Answer : 726
Description : Water jet coming out of a stationary horizontal tube at speed v strikes horizontally a massive wall moving in opposite with same speed. Water come to
Last Answer : Water jet coming out of a stationary horizontal tube at speed v strikes horizontally a massive wall ... energy of water jet striking the wall is zero
Description : The Doppler effect causes a change in what aspect of rf energy that strikes a moving object?
Last Answer : Frequency.
Description : A 500 kilogram car moving at 20 meters per second strikes a stone wall and is brought to a halt in 0.1 second. The average force of the car on the wall during impact is: w) 10 Newtons x) 1000 Newtons y) 10,000 Newtons z) 100,000 Newtons
Last Answer : ANSWER: Z -- 100,000 NEWTONS
Description : Do you support the fast food strikes?
Last Answer : answer:I’m not after I heard that they are demanding $15/hour for working a register. 15!!! I’m really sick of the idea that minimum wage jobs are something to strive for and you should be able to pay rent and support 2–3 kids working 40 hours a week at McDonald’s. It’s ridiculous.
Description : Why many lightning strikes occur within a cloud rather than between clouds and the ground.?
Last Answer : Need answer
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
Description : What volume (in mL) of 0.25M NaSO4 solution is needed to precipitate all the barium as BaSO4(s) from 12.5mL of 0.15M Ba(NO3)2 solution?
Last Answer : The chemical equation is:Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3The volume (in mL) of 0,25M Na2SO4 solution needed to precipitate all the barium as BaSO4(s) from 12,5mL of 0,15M Ba(NO3)2 solution is 7,5 mL.
Description : What is the gcf of 12m 15m and 30m?
Last Answer : The GCF is: 3m
Description : Water flowing at a 6m/s through a 60 mm pipe is suddenly channeled into a 30 mm pipe. What is the velocity in the small pipe? a. 34m/s b. 24m/s c. 15m/s d. 27m/s
Last Answer : 24m/s
Description : What is the force required to accelerate amass of 30kg at a rate of 15m/s². a. 460 N b. 380 N c. 560 N d. 450 N F = ma
Last Answer : 450 N
Description : The pressure drop in a 30 cm diameter horizontal pipe is 60 kPa in distance of 15m. The wall shear stress in kPa is (a) 0.1 (b) 0.2 (c) 0.3 (d) 0.4
Last Answer : (c) 0.3
Description : The travel distance to an exit point on a working platform must be no more than? a. 7.4m b. 45m c. 15m d. 60m
Last Answer : c. 15m
Description : Cleaning of sugarcane is obtained at peripheral speed A. 12-15m/sec B. 18-20m/sec C. 20-25m/sec D. 25-30m/sec
Last Answer : B. 18-20m/sec
Description : Two pumps M and N can fill a cistern in 10m and 15m respectively. If both the pumps are opened simultaneously, after how much time should N be closed so that the cistern is full in 8 minutes ? A) 5min B) 6min C) 3min D) 7min
Last Answer : C X(1/10+1/15) +(8-x)1/10 = 1 5x/30+8-x/10 =1 5x+24-3x/30 =1 2x+24 = 30 2x=6 X=6/2 = 3
Description : Two faucet P and Q can fill a tank in 10 min. and 20 min. respectively. A water faucet R can empty the tank in 10 min. First P and Q are opened. After 3 min, R is also opened. In how much time, the tank is full? A) 17m B) 15m C) 11m D) 19m
Last Answer : C Part filled in 3 min. = 3*((1/10)+(1/20)) = 3 * (2+1/20) =>3(3/20) = 9/20 Remaining part=(1-(9/20))=(11/20). Net part filled in 1min. when P,Q and R are opened=(1/10)+(1/ ... (1/20). Now,(1/20) part is filled in one minute. (11/20) part is filled in = (20*(11/20))=11minutes.
Description : A small group of people are all standing around a two-foot tall, empty, wooden container. Two women approach the group carrying a silver container, which they place inside the wooden container. No ... circular motions. After this, the top of the silver container is removed, and an objec -Riddles
Last Answer : This group was making home made ice cream using an old fashioned hand-cranked ice cream freezer.
Description : Walking home one day, you take a short cut along the train tracks. The tracks cross a narrow bridge over a deep gorge. At the point you are 3/8 of the way across the bridge, you hear the train whistle ... run over as well. If you can run ten miles per hour, how fast is the train moving? -Riddles
Last Answer : The train is moving at 40 miles per hour. Imagine that a friend is walking with you. When the train whistle blows, you head away from the train, he heads toward it. When he reaches safety, you ... the bridge in the time you cross the remaining 1/4, the train must be moving four times your speed.
Description : What sound does a rock make when dropped into water?
Last Answer : Splash for little rock. SPLOOSH for big rock.
Description : What are bits of rock dropped from the eruption of a cinder cone volcano?
Last Answer : Feel Free to Answer
Description : A boy sitting in a rail road car throws a ball straight up into the air. The ball will fall back into his hands when the rail road car is a.moving at constant velocity b.accelerating ... inclined plane, while another identical block B is released for free fall from the same height e.decelerating
Last Answer : a. moving at constant velocity
Description : I am not gaining weight and height, what should I do now ? I am 15 years and 6 months old. Height 5 feet 6 inches. Weight 50 kg. My problem is that I eat and drink properly. I eat milk , ... 'm very tense. Please tell, whats the story of them big puppys ..... I want detailed and accurate answer.
Last Answer : Human height depends on genetic factors. It is not possible to increase or decrease the height if you want. Protein and fat foods can help you gain weight , and you need to drink plenty of water.
Description : A block A is dropped down a smooth inclined plane, while another identical block B is released for free fall from the same height a.block A will have higher velocity than block B while hitting the ... . c.both will hit the ground simultaneously d.block A will hit the ground earlier e.107 dynes
Last Answer : b. block B will hit the ground earlier.
Description : An iron sphere of mass 30 kg and an aluminium sphere of mass 10 kg, both having the same diameter are dropped vertically from a cliff. When they are 10 metrs from the ground, they have identical a.Accelerations b.Momenta c.Kinetic energies d.Potential energies e.All of the above
Last Answer : a. Accelerations
Description : A stone dropped from a baloon that was ascending at the rate of 30 ft/sec, reaches ground after 10 secs. The height of the baloon where stone was dropped was a.3420 ft b.107 dynes c.4520 ft d.2310 ft e.1310 ft
Last Answer : e. 1310 ft
Description : An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass is 3.5 kg. Both spheres are dropped simultaneously from a tower. When they are l0 m above the ground, they have the same. -Physics
Last Answer : (a) acceleration
Description : A ball of mass 100 g dropped on the ground from 5 m bounces repeatedly. During every bounce 64%
Last Answer : A ball of mass 100 g dropped on the ground from 5 m bounces repeatedly. During every bounce 64% of the ... if the contact area of the ball is 0.5 cm2
Description : If you dropped a cannonball and a tennis ball would the cannon ball hit the ground first or not?
Last Answer : in a vacuum they would hit at the same time; in air the airresistance will slow down the tennis ball so the cannonball wouldhit first
Description : A feather a tennis ball and a bowling ball are dropped from a high tower on the moon surface. Which object hits the ground first?
Last Answer : All three reach the ground at the same time
Description : A ball is dropped from a height of 256 feet. The acceleration due to gravity is 32 feet per second squared. How many seconds will it take for the ball to reach the ground?
Last Answer : ANSWER: 4
Description : Can you list eight household Hazards you should check before an earthquake strikes?
Description : The first phase of environmental health management begins a. Long before a disaster strikes b. When a disaster strikes c. Within the first three hours after the disaster has struck d. After the warning period
Last Answer : a. Long before a disaster strikes
Description : The Saudis air strikes on Yemen are so brutal as to be considered by some as war crimes, will the US say anything or intervene as in Yugoslavia or just keep shipping the Saudi missiles and bombs to allow them to keep doing possible war crimes?
Last Answer : answer: war crime is a term that is hardly defined by anyone. It's one of those words that is thrown out for publicity and headlines. Right or wrong is sort of irrelevant in international relations. ... the aid of. All there is-two tribes. No other country really cares about what happens to Yemen.
Description : Just for fun jellies, who would you want to "b*t%h slap" when the clock strikes 2012 on New Year's and why?
Last Answer : The entire Republican presidential ticket.
Description : In a springy collision, if the fast moving trolley collides with a slow one, then the fast one will bounce back at speed of A. slow one B. less than slow one C. more than slow one D. with the same speed as before
Last Answer : slow one
Description : A stone is thrown up from the foot of tower 50 m high with a velocity of 25 m/sec and at the same time another stone is dropped from the top of tower, the two stones will cross each other after a.3 sec b.5 sec c.4 sec d.4.5 sec e.2 sec
Last Answer : e. 2 sec
Description : [Fiction question] I need a rock collector or geologist now. Can you just find a chunk of beryl or quartz lying around on the ground?
Last Answer : I don't know about New Hampshire, but I know that in Arkansas and Missouri, it is entirely possible to be walking along in certain areas and basically stumble over a hunk of quartz crystal. I realize this is ... that in some places the premise works. I just don't know if NH is one of those places.
Description : What is a tall narrow rock from wave erosion sounds like knack?