How long does it take a 2500 kg car to come to a stop from 15 m/s if it strikes a wall with a force of 15000 N? Assume the collision with the wall is elastic.

Q: A ball is released from a height ho above the concrete floor. Assuming that the collision between…

A: Since in elastic collision, Kinetic energy remains conserved and from energy conservation Potential…

Q: You hold a slingshot at arm's length, pull the light elastic band back to your chin, and release it…

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Q: A 0.12 kg bullet moving 215_m/s hits a 6.7.kg block of wood at rest. If the bullet becomes embedded…

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Q: A 5.08×104 kgkg railroad car moves on frictionless horizontal rails until it hits a horizontal…

A: Given Mass of the car m = 5.08 x 104 kg Spring constant k = 4.09 x 105 N/m Compression x = 30 cm =…

Q: A 200 g ball is dropped from a height of 2.0 m, bounces on the floor, and rebounds to a height of…

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Q: a 3000 kg truck is driving at 20 m/s north. it collides head-in with a 1200 kg car travelling south…

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Q: Starting with an initial speed of 5.00 m/s at a height of 0.300 m, a 1.50-kg ball swings downward…

A: (a) By energy conservation, Potential energy changes into kinetic energy. Therefore, mgh = 12 mv2v=…

Q: a 600 gram banana sliding north on a frictionless table at 2.5 meters per second bounces of a 400…

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Q: 6. A glider of mass m1 = 5 kg has a velocity vli = +4 ms-1 before colliding with a second glider of…

A: Given Mass of first glider m1 = 5kg Mass of second glider m2= 15kg velocity of 1st glider v1=4m/s

Q: QUESTION 21 During a perfectly elastic collision between two bodies, which of the following…

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Q: A 748 g rubber ball was vertically pushed downward at 1.21 m/s from a height of 78.2 cm above a…

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Q: A 620-g object traveling at 2.1 m/s collides head-on with a 320-g object traveling in the opposite…

A: Given: The mass of the first object is 620 g. The initial velocity of the first object is 2.1 m/.s…

Q: A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps grain…

A: Given: A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps…

Q: A 80.0 kg archer, standing on frictionless ice, shoots a 90.0 g arrow at a speed of 50 m/s.

A: conservation of momentum, wherein the amount of recoil would be equal to that of the momentum of the…

Q: A ball #1 moving initially with a speed of 7m/s makes an elastic collision with a ball #2 of the…

A: Speed of ball 1 intially = 7m/s  Speed of ball 2 intially= 0 Final Speed of ball 1 = 6.35 m/s…

Q: Block 1 with a mass of 1.0 kg slides down a frictionless ramp with a height of 3.0 m and collides…

A: Mass of block 1 (M1) = 1.0 kg Height (H) = 3.0 m Mass of block 2 (M2) = 2.0 kg Friction coefficient…

Q: Auto companies frequently tests the safety of the automobiles by putting them through crash tests to…

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Q: Block 1, with mass m, and speed 5.8 m/s, slides along an x axis on a frictionless floor and then…

A: In elastic collision momentum as well as kinetic energy also conserved.

Q: A 81.8 g marble moving at 14.6 m/s approaches and collides head-on with a stationary 45.7 g marble.…

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Q: An archer shoots an 18.0-gram arrow at a 43.0-gram target on a wall 32.0 m high. If the arrow is…

A: The given values are, m1=18.0 g=0.018 kgm2=43.0 g=0.043 kgh=32.0 mv0=60.0 m/s

Q: A ball #1 moving initially with a speed of 7m/s makes an elastic collision with a ball #2 of the…

A: Let the mass of both the balls be m. Let the velocity of ball 2 after collision be v2. As the…

Q: A 87 kg man lying on a surface of negligible friction shoves a 74g stone away from himself, giving…

A: Given data: Mass of man (mm) = 87 kg Mass of stone (ms) = 74 g Speed of the stone (vs) = 7.3 m/s…

Q: A bullet of mass mm is fired into a block of mass MM that is at rest. The block, with the bullet…

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Q: Consider a frictionless track as shown in figure P6.54. A blockwith mass m_1 = 5 kg is released from…

A: Given data: The mass of block is m1=5 kg. The mass of block is m2=10 kg. The height of mass m1 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: In the figure here, a stationary block explodes into two pieces L and R that slide across a…

A: Given mL=1.1 Kg     mR=?μL=0.49dL=0.3μR=0.47dR=0.38

Q: A cart of mass 5 kg is held on the ramp at a height of 2.5 m. Another cart of mass 5 kg is on a…

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Q: A 0.543-kg ball, initially moving with a speed of 2.67 m/s, bounces off a wall and then moves with a…

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Q: A 874 g rubber ball was vertically pushed downward at 1.18 m/s from a height of 88.5 cm above a…

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Q: A bumper car with mass mị = stationary second bumper car with a mass of m2 = 100 kg is directly in…

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Q: A body of mass 40 kg has the mom 2000 kgm/s. Calculate; 1. Speed of the body. 2. K.E of the body.

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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: Two billiard balls of equal mass undergo a perfectly elastic head - on collision. If the speed of…

A: In plastic perfectly elastic collision momentum and kinetic energy of system remains constant.…

Q: 2. A 1.2-kg object moving with a speed of 8.0 m/s collides perpendicularly with a wall and emerges…

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Q: A 0.508 kg ball, initially moving with a speed of 3.3 m/s bounces off a wall and then moves with a…

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Q: Block A has a mass of 3.0 kg and a velocity of 13.0 m/s, catching up a second block B that has a…

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Q: A 2 kg ball moving at 3 m/s collides with a 4 kg that is stationary. If the collision is perfectly…

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Q: During an automobile crash test, a 1000 kg car is sent towards a cement wall at a speed of 14 m/sec…

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Q: A speeding train (with mass 444,000 kg) is moving east with speed 88.9 m/s. Superman (with mass 90.7…

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Q: Block A (with mass 10 kg) slides along a frictionless floor with a speed of 0.75 m/s and collides…

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Q: A ball #1 moving initially with a speed of 5m/s makes an elastic collision with a ball #2 of the…

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Q: Two carts of masses m1 and m2 are moving towards each other with speeds v1 and v2. respectively. The…

A: Given information, m1 = 6.00 kg m2 = 3.51 kg V1 = 2.18 m/s V2 = 7.00 m/s In elastic collision ,both…