A ball of mass 3 kg is travelling to the right at 4m/s when it strikes a second ball of mass 10kg and recoils at speed of 3m/s. If the final speed of the second ball is 1 m/s to the left, what was its initial speed?

Q: Puck A of mass 0.500 kg moving at 5.00 m/s collides elastically with puck B of mass 0.300 kg at rest…

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Q: A block of mass m = 9.40 kg, moving on a horizontal frictionless surface with a speed 5.20 m/s,…

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Q: A ball of mass 0.160 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to…

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Q: A firecracker of mass m is heading due north with speed v when it explodes into two pieces of…

A: The expression initial momentum,

Q: A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of…

A: Given data: Mass of the ball (m) = 2.4 kg Downward speed of the ball (v1) = 2.5 m/s Rebound upward…

Q: A rubber ball with a mass of 0.190 kg is dropped from rest. From what height (in m) was the ball…

A: The momentum of the ball is, p=0.76 kgm/s The ball's mass is, m=0.19 kg The initial velocity of the…

Q: A block of mass m = 5.6 kg, moving on a frictionless surface with a velocity of vi=6.5m/s to the…

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Q: A ball of mass 3 kg is travelling to the right at 4m/s when it strikes a secondball of mass 10kg and…

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Q: A block of mass m = 3.6 kg, moving on a frictionless surface with a speed vi=9.3m/s makes a sudden…

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Q: Two billiard balls of masses m1= 10.0 kg and m2= 6.0 kg collide elastically with velocities v1= 9.0…

A: Write the given values with the suitable variables. m1=10 kgm2=6 kgu1=9 m/su2=5 m/sv1=4 m/s Here, u…

Q: One ball of mass 0.600 kg traveling 9.00 m/s to the right collides head on elastically with a second…

A: The initial relative velocity and final relative velocity of the system is constant in the elastic…

Q: A block of mass m= 34 kg and speed V is behind a block of mass M= 81 kg and speed of 0.5 m/s as…

A: Given  Mass of block m=34 kg  Initial spped V Mass of block M=81kg Initial speed u=0.5 m/s Final…

Q: An object (A) of mass m A = 30.0 kg is moving in a direction that makes angle of 44° south of west…

A: Draw the schematic diagram of the motion.

Q: A bullet with mass 0.020 kg collides inelastically with a wooden block of mass 2.5 kg, initially at…

A: This is a case of inelastic collisionWe will apply the principle of conservation of linear…

Q: A missile of mass 110 kg is fired from a plane of mass 5500 kg initially moving at a speed of 315 m…

A: Given:  mass of missile, m = 110 kg  mass of plane, M = 5500 kg  initial velocity of missile, v =…

Q: A neutron of mass 1.7 x 10-27 kg, traveling at 2.7 km/s, hits a stationary lithium nucleus of mass…

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Q: A cart of mass 2.00 x 102 kg moving at 2.50 m/s collides and couples with two coupled carts, each of…

A: Given data:  Mass of single cart (m1) = 2.00×102 kg Mass of two coupled carts(m2) = 2m1 = 4.00×102…

Q: A skateboarder of mass m, traveling at 10m/s to the right, collides with a skateboarder of mass 2m,…

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Q: A ball with mass m1 moving at +5.0 m/s, collides head-on with a stationary ball of mass m2 = 280…

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Q: A ball of mass 0.150 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to…

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Q: In assembling a train from several railroad cars, two of the cars, with masses 2.0 x 104 kg and 4.0…

A: The mass of the lighter car,   The mass of the heavier car,   The initial speed of the lighter…

Q: A block of mass m = 5.6 kg, moving on a frictionless surface with a velocity of vi=6.5m/s to the…

A:

Q: A car of mass 850 kg moves with a speed of 32 m/s and collides head on with a truck of mass 1300 kg…

A: in this question  we use conservation law of momentum.

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

A: (a) Apply principle of conservation of momentum m1v1=m1+m2v Rearrange in terms of recoiling speed…

Q: Mass A (2.0 kg) has an initial velocity of 4 m/s in the +x-direction. Mass B (2.0 kg) has an initial…

A: As per the given data, Masses of the objects A and B are mA = mB = 2 kg; And the initial velocities…

Q: Two manned satellites approach one another at a relative velocity of ?=0.150 m/s, intending to dock.…

A: Apply the elastic collision property and also the conservation of momentum and kinetic energy. As in…

Q: A 1.2 kg baseball moving westward at 12 m/s is hit by a bat that delivers an eastward impulse of 30…

A: mass = 1.2 kg initial speed = 12 m/s (westwards) Impulse = - 30 kg m/s (because the direction of…

Q: Two asteroids strike head-on: before the collision, asteroid A, (mA = 7.5 x 1012 kg) has velocity…

A: Given Mass of the two asteroids are given as mA=7.5×1012 kg and mB=1.45×1013 kg Initial velocity of…

Q: A puck with mass mA = 2.42 [g] moves eastward with speed vA = 1.73 [m/s]. It then collides with…

A: Given, Mass(Ma)=2.42g Speed (Va)=1.73m/s Mb=1.25g Vb=2.26m/s Speed after the collision=?

Q: A bumper car with mass m1 = 110 kg is moving to the right with a velocity of v1 = 4.8 m/s. A second…

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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: We will solve the above question using the conservation of momentum.

Q: The air track glider of mass m1 = 0.200 kg traveling to the right at 0.750 m/s collides with a…

A: Mass of glider 1, m1=0.200 kg Mass of glider 2, m2=0.400 kg Initial velocity of glider 1 ,u1=0.750…

Q: An arrow of mass 0.05 kg collided with a static apple of mass 0.1 kg and stabilized it and moved at…

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Q: In a collision between two objects of unequal mass, which object receives a greater magnitude…

A: Since there is no external force applied on the collision between two objects of unequal mass, So…

Q: If a ball of mass 35 g travelling at 600 m/s hits a block of mass 6 kg at rest and embeds in the…

A: Given Data: The mass of a ball is, mball=35 g The velocity of a ball is, vball=600 m/s The mass of a…

Q: In an elastic collision, an object with momentum 25kg•m/s collided with another object moving to the…

A: Given in question -  Initial momentum of the first object (P1) = 25 kg•m/s…

Q: Two automobiles collide. One automobile of mass 1.13 x 103 kg is initially traveling at 25.7 m/s…

A: Given that two automobiles collide. One automobile of mass(m1) is equal to 1.13 x 103 kg is…

Q: Object 1 with a mass of 4.70 kg, moving right at a speed of 8.40 m/s along a frictionless surface,…

A: m1 = 4.70 kg v1 = 8.40 m/s m2 = 4 kg v2 = -10.4 m/s v1f = -2.2 m/s

Q: A ball moving horizontally to the left at 50 m/s hits a post and rebounds horizontally to the right…

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Q: A little fish has mass 0.400 kg and is floating motionlessly in the water, minding its own business,…

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Q: A block of mass m = 5.4 kg, moving to the right on frictionless surface with a speed Vi=9.2 m/s…

A: Given:-              Block of mass m = 5.4 kg                      Speed = 9.2 m/s

Q: A boy, of mass 45 kg, is sliding on ice at a constant 3m/s. When he collides with another boy of…

A: Given, Mass of boy m1 = 45 Kg Initial velocity u1 = 3 m/s Mass of boy m2 = 50 Kg Initial velocity u2…