If an object of mass 2 kg is thrown up from the ground reaches a height of 5 m and falls back to the Earth (neglect the air resistance). Calculate the Total work done by gravity both in upward and downward motion and mention the physical significance of the result. Justify your answer

Q: The diagram shows a crate with mass m = 38.2 kg being pushed up an incline that makes an angle φ =…

A:

Q: A force F(x) = (-7.0x² + 3.0x) N acts on a particle. (a) How much work (in J) does the force do on…

A:

Q: You drop a 2.50 kg book to a friend who stands on the ground at distance D-10.0 m below. If your…

A:

Q: A cat's crinkle ball toy of mass 31 g is thrown straight up with an initial speed of 7 m/s. Assume…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: You drop a 3.00 kg book to a friend who stands on the ground at distance D = 11.0 m below. If your…

A: Mass of the book, m = 3.00 kg Acceleration due to gravity, g = 9.81 m/s^2 Distance between the…

Q: A block of mass m-2.69kg is released from rest at an unknown height h. The coefficient of friction…

A:

Q: A force f (x) acts on a body moving a unit distance along the x-axis from the origin. Show that the…

A: It is given that force, f(x) us acting on a body which is moving a unit distance along x-axis from…

Q: A collie drags its bed box across a floor by applying a horizontal force of 9.6 N. The kinetic…

A:

Q: As shown in the figure, the package of mass m = 3.00 kg initially resting at x = 0 on a roller belt…

A: Mass of the package is 3.00 kg

Q: In a horizontal plane a board is placed with a bar of mass m on top. The bar is connected to point O…

A:

Q: A 12 kg block starts from rest and is pushed 20 meters up the sloping surface of a plane (37 degree…

A: Given:-  mass of the block m= 12 kg  it pushed d=20 meters up the sloping surface of a plane…

Q: A 1.10 kg snowball is fired from a cliff 12.9 m high. The snowball's initial velocity of 14.0 m/s,…

A:

Q: Repeat the preceding problem, but this time, suppose that the work done by air resistance cannot be…

A: We have to determine the speed of the skier at point B if air resistance is not ignored.

Q: A skier of mass 70.0 kg rides a ski lift to the top, which is 500 m higher than the base of the…

A: A skier of mass M = 70.0 kg rides a ski lift to the top, which is h = 500 m higher than the base of…

Q: If The amount of work done by Angela on a heavy box carried across a room at a constant speed is…

A: If The amount of work done by Angela on a heavy box carried across a room at a constant speed is…

Q: You are moving into an apartment and take the elevator to the 6 floor. Suppose your weight is 640 N…

A:

Q: A 12 kg block starts from rest and is pushed 20 meters up the sloping surface of a plane (37 degree…

A: Work done is given as W=F.s                                                 .......(1) from work…

Q: Find the work done in joules by gravity as an object of the mass m-6 kg is raised up at constant…

A: Given that:m=6 kgh1=32 mh2=69 mg=10 m/s2

Q: A single conservative force acts on a 5.10-kg particle within a system due to its interaction with…

A:

Q: A block of mass m is lowered down a surface inclined at θ degrees for a distance d between points A…

A:

Q: A 40kg box has an initial velocity of 6 m/s down a 30-degree inclined plane at an initial height of…

A: Given, Initial velocity u=6 m/s Initial height =4 m distance S=4sinθ=4sin30=8 m a) using the…

Q: A roller-coaster car of mass 1.50 × 103 kg is initially at the top of a rise at point Ⓐ. It then…

A: Given,

Q: - A skateboarder is at the top of a frictionless ramp defined by the function y = r². The top of the…

A:

Q: A pail and its contents weigh 80 lbs. The pail is attached to the end of a 100 ft rope that weighs…

A: rope weight=80 lbspail weight = 10 lblength of rope =100 ft

Q: onsider a cannon-ball of mass 8 kg fired vertically up from the ground with an initial speed of 120…

A: Given the mass of cannon-ball = m = 8 kg the initial speed in upward direction = u = 120 m/s.…

Q: You drop a 1.50 kg book to a friend who stands on the ground at distance D= 12.0 m below. If your…

A: Since you have asked multi-part questions, we will solve the first three parts for you. In case you…

Q: e. g. There is a chain with length I and mass m on the table, and a part with length a of the chain…

A:

Q: On an essentially frictionless, horizontal ice rink, a skater moving at v = 3.0  m/s encounters a…

A:

Q: The work done is vertically raising a body of mass M through a distance b is given to be W. If the…

A: Ans:- Image-1

Q: A child of mass m = 16 kg slides down a slide of height h = 2.7 m without friction. Let…

A:

Q: A car with mass 1520 kg is traveling down the highway at a speed of 18 m/s when the driver slams on…

A: Given mass of car m = 1520 kg initial speed of car u = 18 m/s as car comes to the rest then final…

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A: Data Given,  Mass of the ball ( m ) = 28 g = 28 × 10-3 kg Initial speed ( v ) = 5 m/s  Air drag is…

Q: In an airport, the location of a passenger can be determined by using the Cartesian coordinate point…

A:

Q: State the condition when the work done by a force is (a) positive (b) negative. Explain with help of…

A: (a)The work done by a force is the product of the force applied on the object and the displacement…

Q: A cat’s crinkle ball toy of mass 15 g is thrown straight up with an initial speed of 3 m/s . Assume…

A: Hey, there are multiple subparts posted, we are authorized to answer three subparts at a time, since…

Q: A particle moves along a curved path y(x) = (10 m){1+cos[(0.1 m−1)x]} , from x = 0 to x = 10π m,…

A: The displacement function along y direction is, yx=10 m1+cos0.1 m-1x The function of tangential…

Q: You drop a 2.50 kg book to a friend who stands on the ground at distance D-13.0 m below. If your…

A: Given:-  The mass of the book is m = 2.50 kg  The man stands on the ground at a distance of D = 13.0…

Q: A cat's crinkle ball toy of mass 15 g is thrown straight up with an initial speed of 3 m/s. Assume…

A: Kinetic energy is the energy acquired by an object due to its motion. It depends on the velocity by…