What is the 2nd law of falling objects ?

What is the 2nd law of falling objects ?
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1 Answer

Answer :

The velocity obtained at a given time ( t) of an object falling from a stationary position without hindrance ( v) is proportional to that time, i.e. , v ∞ t
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According to Newton's 2nd law the object's acceleration and centripetal force are A. at right angles to each other B. anti parallel to each other C. make acute angle with each other D. in same direction

Description : According to Newton's 2nd law the object's acceleration and centripetal force are A. at right angles to each other B. anti parallel to each other C. make acute angle with each other D. in same direction

Last Answer : in same direction

What is the 3rd law of falling objects ?

Description : What is the 3rd law of falling objects ?

Last Answer : The distance covered by an object falling from a fixed position without any hindrance is proportional to the square of that time. That is, if an object crosses the distance h in one second, it will cross 4h distance in two seconds , it will cross 9h distance in three seconds .

What are the sources of falling objects ?

Description : What are the sources of falling objects ?

Last Answer : 1st formula: All objects falling from a fixed position and the same height without any obstruction cross the same path at the same time. 2nd law: The velocity of an object falling from a fixed position ... a fixed position at a given time is proportional to the square of that time. I.e. hµt2

Who discovered the source of falling objects ?

Description : Who discovered the source of falling objects ?

Last Answer : Scientist Galileo discovers the law of falling objects.

What are the sources of falling objects ?

Description : What are the sources of falling objects ?

Last Answer : There are three sources of falling objects.

Which scientist discovered the formulas of falling objects ?

Last Answer : Scientist Galileo discovers formulas for falling objects.

What is the 2nd law of refraction of light ?

Description : What is the 2nd law of refraction of light ?

Last Answer : The 2nd law of refraction of light is: In the case of a pair of light rays of a particular medium and a certain color, the ratio of the sign of the angle of incidence and the sign of the angle of refraction is always constant.

Kirchhoff's 2nd law is consequence of law of conservation of A. energy B. charge C. momentum D. power

Description : Kirchhoff's 2nd law is consequence of law of conservation of A. energy B. charge C. momentum D. power

Last Answer : energy

Kirchhoff's 2nd law deals with A. current in circuit B. voltage in circuit C. e.m.f in circuit D. both B and C

Description :  Kirchhoff's 2nd law deals with A. current in circuit B. voltage in circuit C. e.m.f in circuit D. both B and C

Last Answer : both B and C

Why is the acceleration of falling objects affected by gravity?

Description : Why is the acceleration of falling objects affected by gravity?

Last Answer : Need answer

Two forces which make up Newton's third law can A. act on same objects B. act on different objects C. not act at same time D. not act oppositel

Description : Two forces which make up Newton's third law can A. act on same objects B. act on different objects C. not act at same time D. not act oppositel

Last Answer : act on different objects

What law describes the force between two stationary electrically charged objects? w) Ampere's law x) Coulomb's law y) Kirchoff's Rules (pron: kir-koff rules) z) Ohm's law

Description : What law describes the force between two stationary electrically charged objects? w) Ampere's law x) Coulomb's law y) Kirchoff's Rules (pron: kir-koff rules) z) Ohm's law

Last Answer : ANSWER: X -- COULOMB'S LAW

What is Newton's 2nd law ?

Last Answer : Newton's 2nd law The effect of a ball on the motion of an object

Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass?(A) dE = Tds - PdV (B) dQ = CvdT + PdV (C) dQ = CpdT + Vdp (D) Tds = dE - PdV

Description : Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? (A) dE = Tds - PdV (B) dQ = CvdT + PdV (C) dQ = CpdT + Vdp (D) Tds = dE - PdV

Last Answer : (A) dE = Tds - PdV

Heat cannot be created, nor destroyed, but it can be changed from one form to another. The energy in the universe remains constant.  a. 1st Law of Energy Conservation  b. 2nd Law of Energy Conservation  c. 3rd Law of Energy Conservation  d. None of the above

Description : Heat cannot be created, nor destroyed, but it can be changed from one form to another. The energy in the universe remains constant.  a. 1st Law of Energy Conservation  b. 2nd Law of Energy Conservation  c. 3rd Law of Energy Conservation  d. None of the above

Last Answer : 1st Law of Energy Conservation

In Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass varies as the __________ of its diameter. (A) Inverse (B) Square root (C) Second power (D) First power

Description : In Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass varies as the __________ of its diameter. (A) Inverse (B) Square root (C) Second power (D) First power

Last Answer : (B) Square root

In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity. (A) Directly proportional to (B) Inversely proportional to (C) Inversely proportional to the square root of (D) Independent of

Description : In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity. (A) Directly proportional to (B) Inversely proportional to (C) Inversely proportional to the square root of (D) Independent of

Last Answer : (B) Inversely proportional to

The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the (A) Inverse of fluid viscosity (B) Square of particle size (C) Difference in the densities of the particle & fluid (D) All (A), (B) and (C)

Description : The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the (A) Inverse of fluid viscosity (B) Square of particle size (C) Difference in the densities of the particle & fluid (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

For the Stoke's law to be valid in the case of a falling sphere in a fluid, the (A) Reynolds number (based on sphere diameter) should be < 1 (B) Flow around the sphere should be in turbulent region (C) Sphere must be metallic (D) Fluid density should be constant

Description : For the Stoke's law to be valid in the case of a falling sphere in a fluid, the (A) Reynolds number (based on sphere diameter) should be < 1 (B) Flow around the sphere should be in turbulent region (C) Sphere must be metallic (D) Fluid density should be constant

Last Answer : (C) Sphere must be metallic

While computing the actual cost of any asset falling within a block, portion of cost of asset which has been met directly by the central government or a state government or any authority under any law or any other person, in the form of a subsidy or grant : a) Added to purchase price b) Subtracted from purchase price c) Added to WDV d) Claimed as Revenue Expenditure

Description : While computing the actual cost of any asset falling within a block, portion of cost of asset which has been met directly by the central government or a state government or any authority under any law ... price b) Subtracted from purchase price c) Added to WDV d) Claimed as Revenue Expenditure

Last Answer : b) Subtracted from purchase price

What is the maximum falling speed?

Description : What is the maximum falling speed?

Last Answer : http://en.wikipedia.org/wiki/Terminal_velocity

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

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

Last Answer : half potential and half kinetic energy

Explain and explain the third formula of falling object. ?

Description : Explain and explain the third formula of falling object. ?

Last Answer : The third law of falling objects is that the distance ( h) that a falling object travels from a fixed position without hindrance at a given time is proportional to the square of that time ( t) , i.e. , h ∝ t2 . If an object is ... etc then h1 (t2) 1 = h2 (t2) 2 = h2 (t2) 3 = .......... = constant.

How does a scientist discover the source of a falling object ?

Description : How does a scientist discover the source of a falling object ?

Last Answer : Italian scientist Galileo discovers the source of a falling object. This is why the formulas are called Galileo's falling objects formula. The scientist Galileo proved by dropping a heavy and a light object ... fell to the ground at about the same time. Thus he discovered the law of falling objects.

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.

Why is the initial velocity zero in the case of a falling object ?

Description : Why is the initial velocity zero in the case of a falling object ?

Last Answer : Because the falling object starts falling from a fixed position. So its forward velocity is taken to be zero.

What is the source of the falling object ?

Description : What is the source of the falling object ?

Last Answer : Galileo came up with three formulas for falling objects. These are called falling object formulas.

What is the 1st formula of falling object ?

Description : What is the 1st formula of falling object ?

Last Answer : All objects falling from the same position and the same height without any obstruction cross the same path at the same time.

How far will a free falling object cover 3 seconds if it travels a distance of 6 seconds 72 meters ?

Description : How far will a free falling object cover 3 seconds if it travels a distance of 6 seconds 72 meters ?

Last Answer : h = ut + 0.5 * g * t ^ 2 => h = 0 + 0.5 * 9.8 * 3 ^ 2 => h = 44.1 m. 44.1 meters.

What is the mathematical form of the 3rd formula of a falling object ?

Last Answer : The mathematical form of the 3rd formula of the falling object is: h proportional t ^ 2 .

A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. (1) The mercury level starts rising (2) The mercury level starts falling (3) The mercury level does not change (4) The bell jar breaks up

Description : A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. (1) The mercury level starts rising (2) The mercury level starts falling (3) The mercury level does not change (4) The bell jar breaks up

Last Answer : (1) The mercury level starts rising Explanation: As the pump removes the air from the bell jar the pressure obviously reduces around the barometer. The reduction in pressure around the barometer leads it to expand. As the pump removes air from the jar, the mercury level rises.

The colour of the ocean appears to be blue because the sunlight falling on it is – (1) reflected (2) refracted (3) diffracted (4) scattered

Description : The colour of the ocean appears to be blue because the sunlight falling on it is – (1) reflected (2) refracted (3) diffracted (4) scattered

Last Answer : (4) scattered Explanation: The reason the ocean is blue is due to the absorption and scattering of light. The blue wavelengths of light are scattered, similar to the scattering of blue light in the sky ... the red and weak in the blue, thus red light is absorbed quickly in the ocean leaving blue.

A falling drop of rain water ac-quires the spherical shape due to – (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force

Description : A falling drop of rain water ac-quires the spherical shape due to – (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force

Last Answer : (2) Surface Tension Explanation: Raindrops start out as round high in the atmosphere as water collects on dust and smoke particles in clouds. But as raindrops fall, they lose their rounded ... the molecules stick together. The cause is the weak hydrogen bonds that occur between water molecules.

Rate of falling object in vacuum is A. independent of weight B. dependent on massC. independent of massD. dependent of weight

Description :  Rate of falling object in vacuum is A. independent of weight B. dependent on mass C. independent of mass D. dependent of weight

Last Answer : independent of mass

If weight of a falling tennis ball is 1.0 N and drag force acting on it is 0.2 N then resultant force is A. 0.8 N B. 0.5 N C. 1 N D. 2 N

Description : If weight of a falling tennis ball is 1.0 N and drag force acting on it is 0.2 N then resultant force is A. 0.8 N B. 0.5 N C. 1 N D. 2 N

Last Answer :  0.8 N

Number of forces a falling tennis ball experiences is A. 1 B. 3 C. 2 D. 4

Description : Number of forces a falling tennis ball experiences is A. 1 B. 3 C. 2 D. 4

Last Answer : 2

The kinetic energy of a stone falling near the earth's surface through a vacuum increases with the: w) square root of its velocity x) cube root of its velocity y) square of its velocity z) cube of its velocity

Description : The kinetic energy of a stone falling near the earth's surface through a vacuum increases with the: w) square root of its velocity x) cube root of its velocity y) square of its velocity z) cube of its velocity

Last Answer : ANSWER: Y -- SQUARE OF ITS VELOCITY

A ball falling vertically from rest for 3 seconds travels very nearly: w) 14.7 meters x) 29.4 meters y) 44.1 meters z) 88.2 meters

Description : A ball falling vertically from rest for 3 seconds travels very nearly: w) 14.7 meters x) 29.4 meters y) 44.1 meters z) 88.2 meters

Last Answer : ANSWER: Y -- 44.1 METERS

The colour of the ocean appears to be blue because the sunlight falling on it is (1) reflected (2) refracted (3) diffracted (4) scattered

Description : The colour of the ocean appears to be blue because the sunlight falling on it is (1) reflected (2) refracted (3) diffracted (4) scattered

Last Answer : scattered

A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. (1) The mercury level starts rising (2) The mercury level starts falling (3) The mercury level does not change (4) The bell jar breaks up

Description : A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. (1) The mercury level starts rising (2) The mercury level starts falling (3) The mercury level does not change (4) The bell jar breaks up

Last Answer : The mercury level starts rising

A falling drop of rain water acquires the spherical shape due to (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force

Description : A falling drop of rain water acquires the spherical shape due to (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force 

Last Answer : Surface Tension

The following are true: a. depth of perception only occurs in patients with normal visual acuities in both eye b. Hering's law states that increased innervation to an extraocular muscle is accompanied by a decrease in innervation to its antagonists. c. objects on the Panum's area fall on simultaneous areas of the retina d. objects outside of the Panum's area are perceived as doubl

Description : The following are true: a. depth of perception only occurs in patients with normal visual acuities in both eye b. Hering's law states that increased innervation to an extraocular muscle is ... simultaneous areas of the retina d. objects outside of the Panum's area are perceived as doubl

Last Answer : objects outside of the Panum's area are perceived as doubl

If we are looking into the past when we look at distant stars, doesn't that mean that when we look at objects in everyday life we see them as they were a moment ago?

Description : If we are looking into the past when we look at distant stars, doesn't that mean that when we look at objects in everyday life we see them as they were a moment ago?

Last Answer : Strictly speaking, yes, that’s true. Light is a physical stuff that takes time to travel. Of course, the delay is so small it’s only worth taking into account with things as insanely far away as stars, and maybe the other planets.

Is there a formula to find the center (center of mass/centroid) of 3 dimensional objects?

Description : Is there a formula to find the center (center of mass/centroid) of 3 dimensional objects?

Last Answer : Yes

Two objects A and B are moving with same momentum. Mass of object 'B' is greater then mass of object 'A'. Which of the two object will have higher kinetic energy? -Physics

Description : Two objects A and B are moving with same momentum. Mass of object 'B' is greater then mass of object 'A'. Which of the two object will have higher kinetic energy? -Physics

Last Answer : Let m1​ and m2​ be the masses of the body Let m1​>m2​Given that m1​v1​=m2​v2​v2​v1​​=m1​m2​​∴ Ratio between their kinetic energies , =K2​K1​​=21​m2​v22​21​m1​v12​​⟹K2​K1​​=m2​m1​​×m12​

What is in all moving objects ?

Description : What is in all moving objects ?

Last Answer : All moving objects have kinetic energy.

What exists in all moving objects ?

Description : What exists in all moving objects ?

Last Answer : kinetic energy exists in all moving objects.

What is the force of attraction between any two objects ?

Description : What is the force of attraction between any two objects ?

Last Answer : The force of attraction between any two objects is called the force of gravity.

Why do objects weigh more in the polar region ?

Description : Why do objects weigh more in the polar region ?

Last Answer : We know , weight W = mg; Here m = mass of the object and g = gravitational acceleration. The mass of an object is a constant quantity ; Thus the weight of an object depends on the gravitational ... zero in the center of the earth. Therefore the object has no weight at the center of the earth.

Why do objects weigh differently in different parts of the world ?

Description : Why do objects weigh differently in different parts of the world ?

Last Answer : We know , weight W = mg; Here m = mass of the object and g = gravitational acceleration. The mass of an object is a constant quantity , so the weight of the object in the corner depends on ... acceleration is higher in the polar region. Thus the weight of the object is higher in the polar region.