A railroad car with a mass of 12,000 kg moving with a speed of 12 m/s collides with a second car with a mass of 18,000 kg that is initially at rest. What will be the final velocity of the two railroad cars after they stick together?

Q: A 40 kg skater travelling at 4 m/s attempts to overtake a 60 kg skater traveling at 2 m/s in the…

A: Given data:  Mass of first skater (m1) = 40 kg Initial velocity of first skater (V1) = 4 m/s Mass of…

Q: In a switchyard, a 24,000 kg railroad car moving 1.8 m/s collides with a stationary 17,000 kg car.…

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Q: A 2.0 kg block slides along a frictionless surface at 1.0 m/s. A second block, sliding at 4.0 m/s,…

A: The mass of block 1,   The initial velocity of the block 1,   The initial velocity of the block 2,…

Q: A 1.9 kg block slides along a frictionless surface at 1.1 m/s. A second block, sliding at a faster…

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Q: A 26.5 kg bicycle traveling at 10.70 m/s collides with another bicycle weighing 6.5 kg traveling at…

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Q: A 3 kg cart is connected to a 4 kg cart. Together, they are moving at 1.5 m/s to the left. They…

A: Given Mass of first cart (m1) = 3 KgMass of second cart (m2) = 4 KgInitial velocity of both carts is…

Q: A 1,500 kg car moving to the right with a speed of 20 m/s collides with a bigger car of mass 2,000…

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Q: A ball of mass m = 0.25 kg rolling to the right at 1.3 m/s strikes a wall and rebounds to the left…

A: Given Mass of the ball m=0.25 kgRolling towards right with speed u=1.3msAfter striking the wall it…

Q: A 10,517-kg railroad car traveling at a speed of 32 m/s strikes an identical car at rest. If the…

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Q: A poolball with mass of 0.17kg is traveling at 2 m/sec and strikes another ball with mass of 0.19kg.…

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Q: A 1200 kg car moving at 5.6 m/s hits a 1500 kg car moving in the same direction at 2.1 m/s. If the…

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Q: A 6.0 x 10 kg tennis ball moves at a speed of 12 m/s. The ball is struck by a racket, causing it to…

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Q: A body of mass 2 kg makes an elastic collision with a second body at rest and continues to move in…

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Q: A 0.3 kg bouncy ball hits a wall at 3.0 m/s and rebunds at a speed of 0.8b m/s. What is the change…

A: The given data are: m=0.3 kgu=3 m/sv=-0.8 m/s Here, m denotes the mass, u denotes the initial speed,…

Q: A 10,291-kg railroad car traveling at a speed of 35 m/s strikes an identical car at rest. If the…

A: Given data: Mass of first railroad car (m1) = 10,291 kg Initial velocity of first railroad car (V1)…

Q: Allison, 45 kg, is standing on a frozen pond wearing ice skates. If she throws a 10 kg bag of rice…

A: Mass of the Allison is M = 45 Kg Mass of the bag is m = 10 kg Velocity of the bag is v = 5 m/s

Q: What is the change in momentum of a 25 g baseball originally travelling at 30 m/s forward, if after…

A: Given:Mass of ball, m=25 gInitial velocity, u=30 m/sFinal velocity, v=-75 m/s   To determine change…

Q: A volleyball is spiked so that its incoming velocity of +4.45 m/s is changed to an outgoing velocity…

A: Given information:Mass of the basket ball (m) = 0.350 kgThe initial velocity of the ball (u) = +…

Q: How fast does an Airbus A380 aeroplane carrying passengers (total mass 56,403 kg) need to be…

A: Write the given values with the suitable variables. m=56403 kgp=871908 kg m/s Here, m is the total…

Q: An astronaut whose mass is 80 kg carries an empty oxygen tank with a mass of 10 kg. She throws the…

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Q: A ball with a momentum of 4.0 kg•m/s hits a wall and bounces straight back without losing any…

A: we know the formula for momentum is given by  p = m.v  where  p = momentum  m= mass v = velocity .…

Q: Two dogs are playing in a park, and they collide. The Great Dane has a momentum of 782 kg•m/s, and…

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Q: A 40-kg football player leaps through the air to collide with and tackle a 60-kg player heading…

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Q: A 5 kg ball (Ball A) traveling to the right at 4 m/s collides with a 4 kg ball (Ball B) at rest.…

A: Given data:  Mass of ball A (mA) = 5 kg Initial velocity of ball A (uA) = 4 m/s, to right Mass of…

Q: A 2 kg mass moving to the right makes an elastic head-on collision with a 4 kg mass moving to the…

A: Let the direction along right be positive  And the direction along left be negative M1 = 2 kg  M2 =…

Q: A 8.00 kg ball is moving at 5.0 m/s to the right and a 7.00 kg ball is moving at 5.00 m/s to the…

A: Given information:Mass of the ball moving right (m1) = 8.00 kgVelocity of the ball moving right (v1)…

Q: Three carts of masses 4 kg, 5 kg, and 10 kg move on a frictionless horizontal track with speeds of 4…

A: The velocity of an object is the rate of change of its position with respect to a frame of…

Q: *An air track car with a mass of 0.75 kg and velocity of 8.5 m/s to the right collides elastically…

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Q: A basketball of mass 1.25 kg traveling with an initial speed of 8 m/sec bounces off of a backboard…

A: Given : Mass of basketball m = 1.25 kg             Initial speed u = 8 m/s             Final speed v…

Q: Two people are running south. The first person has a mass of 66 kg, and is running at a speed of 5.1…

A: Given that:m1=66 kgu1→=5.1(-j^) m/sm2=74 kgu2→=4.7(-j^)  m/s   To determine the combined momentum…

Q: An 80 kg mass moving at 10 m/s collides with a stationary 48 kg mass. After the collision, both…

A: Given : Masses , M = 80 Kg with initial velocity, u1 = 10 m/s   m = 48 Kg at rest i.e u2 = 0 m/s…

Q: A 1200-kg car moving at 15.6 m/s suddenly collides with a stationary car of mass 1500 kg If the two…

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Q: e momentum of a 225 g softball moving at 30 m/s is _________________.(kg m/s)

A: Given Mass of softball is m=0.225 kg Speed of softball is v=30 m/s

Q: A 8 kg ball is moving forward at 7 m/s and it runs into a second ball with mass 5 kg also moving…

A: In question, it's not mentioned that it's an inelastic or elastic collision but I will assume it to…

Q: a slab of clay with a mass of 0.34 kg and velocity of 8 m/s hits a stationary toy car of mass 0.61…

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Q: A volleyball is spiked so that its incoming velocity of + 2.50 m/s is changed to an outgoing…

A: Given data: Initial velocity (Vi) = +2.50 m/s Final velocity (Vf) = -20.7 m/s Mass (m) = 0.350 kg…

Q: A bullet with a mass of 3.08 g moves at a speed of 1.50 ✕ 103 m/s. If a tennis ball of mass 57.2 g…

A: According to the question,

Q: A 0.530-kg basketball hits a wall head-on with a forward speed of 18.0 m/s. It rebounds with a speed…

A: Given: mass,m =0.530  kg  u = 18 m/s v = - 13.5 m/s t = 0.1 s

Q: What is the momentum of a 1900 kg car that is sitting in the driveway?

A: Given data:  Mass (m) = 1900 kg Velocity (v) = 0 m/s Required: Momentum (P)

Q: Two football players with mass 75 kg and 100 kg run directly toward each other with speeds of 6 m/s…

A: The total momentum of the system must be conserved. The initial momenta of the two footballers in…

Q: A load of gravel is dumped straight down into a 30000-kg freight car coasting at 2.2 m/s on a…

A: Using law of conservation of momentum, the expression for find mass of gravel is Mu=M+mm=Mu-Mvv

Q: A 10,513-kg railroad car traveling at a speed of 37 m/s strikes an identical car at rest. If the…

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Q: A 2.3-kg object traveling at 6.1 m/s collides head-on with a 3.5-kg object traveling in the opposite…

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Q: A 1.0 kg ball moving to the left at 1.0 m/s is on a collision course with a 2.0 kilogram ball at…

A: Given: The mass (m1) of the first ball is 1 Kg. The mass (m2) of the second ball is 2 Kg. The first…

Q: A ball with a mass of 3 kg moving at 5 m/s collides with a 9 kg ball at rest. After the collision,…

A: Given,