A 75-kg man climbs the stairs from the ground floor to the fourth floor of a building, a height of 15 m. How far does the Earth recoil in the opposite direction as the man climbs?

Q: A father (mF = 90 kg) and his daughter (mD= 42 kg) stand on a flat frozen lake of negligible…

A: Given data: Mass of father (mf ) = 90 kg Mass of daughter (md ) = 42 kg In the given problem,  there…

Q: A rifle with a weight of 40 N fires a 5.5 g bullet with a speed of 200 m/s.(a) Find the recoil speed…

A: By using conservation of momentum, We can write,m1v1+m2v2=0     Equation 1where, mass…

Q: A 2.0 kg cart moves forward at 5.0 m/s, when it is struck from behind by a 0.50 kg cart moving at 15…

A: Given: The mass of the cart is 2 kg. The velocity of the cart is 5 m/s in the forwarding direction.…

Q: A 4.00-g bullet has a muzzle velocity of 270 m/s when fired by a rifle with a weight of 35.0 N. (a)…

A: Given that  m=4.00 g =0.004 kg  velocity (v)=270 m/s  weight (w)=35.0 N.

Q: A ball of mass (m) collides elastically with a second ball that is at rest, and recoils with a speed…

A: In elastic collision kinetic energy and momentum of system remains constant. Formula of final…

Q: A rifle with a weight of 25 N fires a 4.0 g bullet with a speed of 290 m/s. (a) Find the recoil…

A: Given Rifle mass mr             = 25 N Bullet mass mb          = 4.0 g = 0.004 kg Bullet velocity vb…

Q: An elastic collision takes place between a 0.050-kg toy car moving at 10 × 10² m/h and a 0.014-kg…

A: Given data: The mass is m1=0.050 kg The mass is m2=0.014 kg The velocity is v1=10×102…

Q: Two objects, m1 and m2, have an elastic collision. The initial velocity of m1 is -6.00 m/s and of m2…

A: Momentum in elastic collision is conserved m1u1+m2u2=m1v1+m2v2 Here m1 and m2 are masses, u1 and u2…

Q: A rifle with a weight of 20 N fires a 5.3-g bullet with a speed of 220 m/s. (a) Find the recoil…

A: Given: weight of rifle Wr=20 Nmb=5.3 g=0.0053 kgvb=220 m/sweight of man Wm=775 N

Q: Two simple pendulums of equal length l=0.45 m are suspended from the same point. The pendulum bobs…

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Q: A bullet of mass 0.0395 kg is fired toward board with a thickness of 0.0295 m. Its speed is 355 m/s…

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Q: "Ladies" refuses to burp, as it is considered impolite. As a result, the gradual buildup of pressure…

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Q: An object at rest on a flat, horizontal surface explodes into two fragments, one seven times as…

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Q: A rifle with a weight of 25 N fires a 5.1-g bullet with a speed of 200 m/s. (a) Find the recoil…

A: Given: Weight of rifle = 25 N Mass of bullet  = 5.1 g Velocity of bullet = 200m/s We have to Find…

Q: A 5.00 g bullet has a muzzle velocity of 270 m/s when fired by a rifle with a weight of 35.0 N. (a)…

A: Given Data: The mass of the bullet is: mb=5.00 g The muzzle velocity of the bullet is: vb=270 m/s…

Q: The figure shows a three-particle system, with masses m₁ = 1.4 kg, m2 = 2.2 kg, and m3 = 8.1 kg.…

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Q: A 5.00-g bullet has a muzzle velocity of 200 m/s when fired by a rifle with a weight of 35.0 N. (a)…

A: We are given a rifle, For the bullet,  Mass , m = 5 g = 0.005 kg Initial Velocity, u = 0 m/s Final…

Q: A gun is fired vertically into a 0.451 kg block of wood at rest on a thin horizontal sheet directly…

A: Given data The mass of the block is given as mblock = 0.451 kg. The mass of the bullet is given as…

Q: 4. A 2.0 kg trolley moving east at 3.0 m/s collides head-on with a 1.0 kg trolley moving west at 2.0…

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Q: In principle, any time someone jumps up, the earth moves in the opposite direction. To see why we…

A: Given Data: Mass of person    m1=73 kg Jump speed of person   v1=1.9 ms  Mass of earth m2=5.97×1024…

Q: During a circus act, a performer thrills the crowd by catching a cannon ball shot at him. The cannon…

A: mass of ball = 8.5 kg speed of ball = 8.4 m/s mass of performer = 75 kg

Q: A 54-kg woman and a 75-kg man stand 15 m apart on frictionless ice. How far from the woman is their…

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Q: A 3.5 kg rifle fires an 11 g bullet with a velocity of 575 m/s. (a) What is the recoil velocity of…

A: Mass of rifle is Mr = 3.5 kg  Mass of bullet is Mb = 11×10-3 kg   Mass of shooter is Ms = 45 kg…

Q: Question 3. During an archery competition, an arrow of mass 35.0 g is fired horizontally with a…

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Q: A 1200 kg car moving at 5.3 m/s is initially traveling north in the positive y direction. After…

A: Given  Mcar = 1200kg u= 5.3 m/s  A ) impulse = change in momentum

Q: A rifle with a weight of 25 N fires a 5.5-g bullet with a speed of 230 m/s. (a) Find the recoil…

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Q: Pendulum 1 in the figure has a 1.50 m rope with a small ball attached as a weight. This pendulum is…

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Q: A 89.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 34.0 m/s. If both…

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Q: A small metal ball with a mass of m = 80.1 g is attached to a string of length I = 1.25 m. It is…

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Q: What are (a) the x coordinate and (b) the y coordinate of the center of mass for the uniform plate…

A: Given that, L=5 cm=0.05 m

Q: An object at rest on a flat, horizontal surface explodes into two fragments, onewith mass 100g, the…

A: The objective of the question is to find out how far the lighter fragment slides after the…

Q: An object weighing 26700 N falls from a height of 1.8 m on an object weighing 4450 N, standing still…

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Q: A metal soda can of uniform composition has a mass of 0.134 kg and is 12.6 cm tall (see the figure).…

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Q: In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a…

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Q: Two solid metal balls, M1 = 40 g and M2 = 60 g, are each suspended from 32 cm long chords in a…

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Q: A 23.0-g bullet strikes and becomes attached inside a 2.80-kg block of wood placed on a horizontal…

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Q: A 4.00 g bullet travelling horizontally with a magnitude of 440 m/s is tired into a wooden block…

A: For Bullet :For Block: