A 1.00×104-kg train car moving due east at 28.0 m/s collides with and couples to a 2.00×104-kg train car that is initially at rest. What is the common velocity ?f of the two‑car train after the collision? ?f = 9.3m/s What is the total kinetic energy ?i of the two train cars before the collision? ?i = ?J What is the total kinetic energy ?f of the two train cars after the collision?

Q: A 480 kg car moving at 16.2 m/s hits, from behind, another car of mass 570 kg moving at 13.3 m/s in…

A: Part-a Given: The mass of the first car ma = 480 kg. The mass of the second car mb = 570 kg. The…

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Q: Figure 8a shows a 25 g squash ball with a speed v of 30 m/s strikes a wooden block and then rebounds…

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Q: An object of mass m moving with a velocity v collides into another object of the same mass which is…

A: Elastic collision: An elastic collision is one in which the system experiences no net kinetic energy…

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Q: A 3 kg ball (A)collides with ball 2 kg ball (B) at right angle and they stick together. What is…

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Q: A group of engineers is testing collision safety for a new car. They are finding the impulse on the…

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Q: V1i = 10 m/s V2i = 60 m/s M1 = 2400 kg M2 = 360 kg Before V1f = ? V2f = 30 m/s After Two vehicles…

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Q: 19. On a very muddy American football field, a 95.0-kg linebacker tackles a 120.-kg halfback. Right…

A: Write the given values with the suitable variables. m1=95 kgm2=120 kgu1=8 m/su2=-4 m/s Here, m1, m2,…

Q: In a football game, one player (a "tackle") running at a constant speed of 5 m/s tackles another…

A: Given quantities: mass of tackle (M) = 140 kg velocity of tackle before collision (u) = 5 m/s…

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Q: A 2.5-kg ball and a 5.0-kg ball have an elastic collision. Before the collision, the 2.5-kg ball was…

A: m1 = 5 kgm2 = 2.5 kgv1i = 3.5 m/sKinetic energy of 2.5 kg object is to be calculated.

Q: 4. A 5.0 kg block moving to the right at 12.0 m/sec collides with a 4.0 kg block moving to the right…

A: The mass of first block is m1 = 5.0 kg. The mass of second block is m2 = 4.0 kg. Assume the velocity…

Q: A 53.0 kg boy runs at a speed of 14.0m/s and jumps onto a cart that is initially at rest. The boy…

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Q: A 5kg block sliding at2m/s to the right head on with 3 kg block that is sliding at 4m/s to the left…

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Q: velocity of snowball velocity of ice skater velocity of ice skater > velocity of snowball O all…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Kid 1 jumps on a sled and collides with kid 2 sl which was at rest. The collision was linear, with…

A: In all collision momentum remains conserved.

Q: Hll8

A: Given,Mass of person is M= 79 kgMass of stone is m= 50×10-3kgInitial total momentum is pi=0

Q: A 2,000-kg car and a 10,000-kg truck have the same linear momentum. What is the relationship between…

A: Solution: Given that 2,000-kg car and a 10,000-kg truck have the same linear momentum.

Q: A railroad car of mass 2.85 x 10^4 kg moving at 2.60 m/s collides and couple with two coupled…

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Q: A 1,175-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into…

A: The final velocity of truck is,

Q: If car A has a mass of 1.5kg and is traveling 2.0m/s, and car B has a mass of 1.5kg and is traveling…

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Q: Two particles collide, one of them initially being at rest. Is it possible for both particles to be…

A: Given, Two particle collide and one of them is in rest

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Q: In a cheerleading competition, the 65.0 kg cheerleader is tossed vertically upward with a speed of…

A: Motion can be uniform or accelerated. Motion is relative as it differs in different scenario. The…

Q: Two balls moving along the x-axis have a head-on elastic collision. Ball A has mass 2.0 kg and is…

A: It is elastic collision, so using momentum conservation Pi = Pf m1*u1 + m2*u2 = m1*v1 + m2*v2 m1 =…

Q: A railroad car of mass 2.85 x 10^4 kg moving at 2.60 m/s collides and couples and with two coupled…

A: mass of railroad car, m1 = 2.85 x 104 kg Mass of two coupled railroad cars, m2 = 2m1 Initial speed…

Q: A 18 kg canoe moving to the left at 12 m/s makes an elastic head-on collision with a 15 kg raft…

A: a) Using conservation of momentum, m1u1+m2u2=m1v1+m2v2v1=u1+m2m1u2-v2=-12 m/s+15 kg18 kg14 m/s--13.2…

Q: 008 47. . A dropped rubber ball hits the floor with a speed of 8.0 m/s and rebounds to a height of…

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Q: In which of the following collisions would you expect the kinetic energy to be conserved?   A. A…

A: Kinetic energy is conserved means that the total kinetic energy before collision is equal to total…

Q: A 1200-kg car travels at 26 m/s and then quickly stops in 3.8 s to avolu dil What is the initial…

A: Since there are multiple questions, we answer the first three questions.If you need answer of any…

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

A: Given Object 1 ,2.3 kgm1=2.3 kgu1=6.1 m/sFor objec 2 ,3.5 kgm2=3.5 kgu2=-4.8 m/s

Q: wo balls roll horiztonally off the edge of a 1.29 m tall table. Ball A has a mass of 2.4 kg and is…

A: Given h =1.29 m uA = 1.4 m/s uB = 7.7 m/s

Q: A 1263-kg sports car traveling at 40.0 km/h crashes head-on into a 1743-kg cab moving north at 90.0…

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Q: a frictionless frack when it collides with a targer, 1-00kg cart at rest: After the collisio, che…

A: In all collision momentum is conserved Momentum before collision = momentum after collision

Q: #641 caviy dasty sonulah av colajobrut A Example H: A 75 kg man throws a 25 kg package at 6.0 m/s…

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Q: A 0.35 kg ball is thrown against the wall of the school during recess. The ball is thrown with a…

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Q: A2 kg object moving at 3 m/s collides with a 4 kg object that is stationary. If the collision is…

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Q: A railroad car of mass 2.60 x 10* kg moving at 2.90 m/s collides and couples with two coupled…

A: m=mass of railroad=26000 Kg M=mass of coupled railroad = 2*26000 = 52000 Kg u1=initial velocity of m…

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Q: Two blocks with mR =2 kg and mg =4 kg are moving with vg 2.5 m/s and vg =3 m/s in positive z and y…

A: Given: masses of the blocks are mR = 2 kg & mB = 4 kg velocities of the blocks are vR = 2.5 i…

Q: A railroad car of ass M moving at a speed vV, collides and couples with two coupled railroad cars,…

A: In a collision, the total linear momentum of the system remains conserved. Thus Pinitial = Pfinal…