A 1000 Kilogram Car Traveling 20

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A 1000 Kilogram Car Traveling 20 – (A) A 5.00 kg mass moves at 10.0 m/s (B) A 10.0 kg mass moves at 1.00 m/s (C) A 15.0 kg mass moves at 10.0 m/s (D) A 20.0 kg mass moves at 1.00 m/s c

What is the speed of a 1.0×103 kg car with a speed of 2.0×104 kg•m/s due east? (A) 5.0 × 10-2 m/s (B) 2.0 × 101 m/s (C) 1.0 × 104 m/s (D) 2.0 × 107 m/s (B) 2.0 × 101 m/s

A 1000 Kilogram Car Traveling 20

A 60-kg roller skater exerts a 10-N force on a 30-kg skater for 0.20 s. What is the magnitude of the impulse exerted on the 30 kg rollerskator? (A) 50 N•s (B) 2.0 N•s (C) 6.0 N•s (D) 12 N•s (2) 2.0 N•s

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A 60-kg roller skater exerts a 10-N force on a 30-kg skater for 0.20 s. What is the magnitude of the change in momentum exerted on the 30 kg rollerskator? (A) 50 kg•m/s (B) 2.0 kg•m/s (C) 6.0 kg•m/s (D) 12 kg•m/s (2) 2.0 N•s

A 60-kg roller skater exerts a 10-N force on a 30-kg skater for 0.20 s. What is the magnitude of the change in momentum exerted on the 60 kg rollerskator? (A) 50 kg•m/s (B) 2.0 kg•m/s (C) 6.0 kg•m/s (D) 12 kg•m/s (2) 2.0 N•s

9 A baseball of mass one kilogram, initially moving with a speed of 15 meters per second, is brought to rest in a few seconds by the baseball glove in the catcher’s hand. What is the magnitude of the change in momentum exerted on the ball by the glove? -2.235

10 A baseball of mass one kilogram, initially moving with a speed of 15 meters per second, is brought to rest in a few seconds by the baseball glove in the catcher’s hand. The average force exerted by the glove on the ball is (A) 2.2 N (B) 2.9 N (C) 17 N (D) 56 N (D) 56 N

Solved: A 1.50 X 103 Kg Car Traveling At 100 Km/h South Collides With A 1.20 X 103 Kg Car Traveling North At 100 Km/h. The Heavier Car Continues To Move South

Which situation produces the largest change in momentum for the 1.0 kg cart? (A) Accelerate from rest to 3.0 m/s (B) Accelerate from 2.0 m/s to 4.0 m/s (C) Apply a net force of 5.0 N for 2.0 s (D) Apply a net force of 10.0 N for 0.5 s. C

12 A catcher stops a 0.15 kilogram baseball moving at 20 m/s in s. The average force stopping the ball is (A) 3.0×10–2 N (B) 3.0×100 N (C) 3.0×101 N (D) 3.0×102 N d

13 A 6.0 kg block, sliding east on a horizontal frictionless surface with an acceleration of 30 kg•m /s, strikes an obstacle. The disturbance imparts a westward impulse of 10 N•s on the block. The velocity of the block after the collision is (A) 1.7 m/s (B) 3.3 m/s (C) 5.0 m/s (D) 20. m/s (B) 3.3 m/s

15 A ball A of mass 5.0 kg moving at a speed of 20 m/s collides with B of unknown mass moving at a speed of 10 m/s in the same direction. After the collision, ball A moves at 10 m/s and ball B at 15 m/s, both in the same direction. What is the mass of ball B? (A) 6.0 kg (B) 2.0 kg (C) 10. kg (D) 12 kg C

Answered: 2. A 75 G Frisbee Is Thrown From A…

A 1.2 kg block and a 1.8 kg block are initially at rest on a frictionless horizontal surface. When the compressed spring between the blocks is released, the 1.8 kg block moves to the right at 2.0 m/s. What is the velocity of the 1.2 kg block after the spring is released? (A) 1.4 m/s (C) 3.0 m/s (B) 2.0 m/s (D) 3.6 m/s C

A 3.0 kg steel block rests on a horizontal frictionless surface. A 1.0 kg lump of clay is pushed horizontally toward the block at 6.0 m/s. After the collision, the clay and the steel block stick together and move to the right with a velocity of (A) 1.5 m/s (B) 3.0 m/s (C) 6.0 m/s (D) 2.0 m/s A .

19 A woman (60-kg) jumps from a dock onto a stationary boat (120 kg) with a horizontal velocity (6 m/s). After landing in the boat, the woman and the boat move with velocity v2. Find v2 2 m/s

The 3.1 kilogram rifle is initially at rest free to move. When a one-kilogram bullet leaves the gun with a velocity of 500 m/s, what is the velocity of the gun? (A) 0.0 m/s (B) 2.4 m/s (C) 7.5 m/s (D) 500 m/s (B) 2.4 m/s

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In the circus, a 100 kg clown is shot from a 500 kg cannon with a speed of 15 m/s. What is the cannon’s recoil velocity? (A) 75 m/s (B) 3.0 m/s (C) 15 m/s (D) 5.0 m/s B

An 8.00 kg ball is fired horizontally from a 1.00 × 103 kg cannon. After being thrown, the momentum of the ball is 2.40 × 103 kg•m/s due east. Calculate the velocity of the cannon after the ball is released. 2.4 m/s

An 8.00 kg ball is fired horizontally from a 1.00 × 103 kg cannon. After being thrown, the momentum of the ball is 2.40 × 103 kg•m/s due east. Calculate the velocity of the cannon ball after firing. 300 m/s

A 50 kg child running at a speed of 6.0 meters per second jumps onto a 10 kg stationary sled. The sled rests on a flat frictionless surface. Calculate the speed of the sled with the child after the child jumps into the sled. 5 m/s

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25 A 1200 kg car traveling at a speed of 12 meters per second collides with a 2300 kg car waiting at rest at a traffic light. After the collision, the cars locked together and skidded. Finally, the combination of the car is brought to rest by the force of kinetic friction as the rubber tires slide over the dry, flat, asphalt road surface. Calculate the velocity of the locked car immediately after the collision. 4.1 m/s

27 A 2.0 kg laboratory car is sliding on a horizontal frictionless surface at a constant speed of 4.0 m/s due east. What is the speed of the car after a 6.0-newton force to the west acts on it for 2.0 s? (A) 2.0 m/s east (B) 10 m/s east (C) 2.0 m/s west (D) 10 m/s west C

28 A 1,200 kg car moving at a speed of 10 m/s collides with a tree and stops in 0.10 s. What is the magnitude of the average force acting on the car to bring it to a stop? (A) 1.2×102 N (B) 1.2×103 N (C) 1.2×104 N (D) 1.2×105 N D

A 50 kg student throws a 0.40 kg ball with a velocity of 20 m/s. What is the magnitude of the impulse exerted by the student on the ball? (A) 8.0 N•s (B) 78 N•s (C) 4.0 × 102 N•s (D) 1.0 × 103 N•s A

B. Read And Analyze The Problems Given Below. Show

Before the batter hits the 0.14 kg baseball, the ball’s velocity is 45 meters per second toward the west. As soon as the batsman hits the ball, the speed of the ball is 35 meters per second towards the east. The bat and ball are in contact for 1.0 × 10-2 s. Calculate the initial momentum of the ball. 6.3 kg m/s

Before the batter hits the 0.14 kg baseball, the ball’s velocity is 45 meters per second toward the west. As soon as the batsman hits the ball, the speed of the ball is 35 meters per second towards the east. The bat and ball are in contact for 1.0 × 10-2 s. Calculate the final momentum of the ball. -4.9 kg m/s

Before the batter hits the 0.14 kg baseball, the ball’s velocity is 45 meters per second toward the west. As soon as the batsman hits the ball, the speed of the ball is 35 meters per second towards the east. The bat and ball are in contact for 1.0 × 10-2 s. Calculate the change in momentum of the ball. 11.2 kg m/s

Before the batter hits the 0.14 kg baseball, the ball’s velocity is 45 meters per second toward the west. As soon as the batsman hits the ball, the speed of the ball is 35 meters per second towards the east. The bat and ball are in contact for 1.0 × 10-2 s. Calculate the impulse acting on the ball. 11.2 Nos

A Car Of Mass 1000 Kilogram Is Traveling With A Velocity Of 20 Meters Per Second When The Brakes Are

Before the batter hits the 0.14 kg baseball, the ball’s velocity is 45 meters per second toward the west. As soon as the batsman hits the ball, the speed of the ball is 35 meters per second towards the east. The bat and ball are in contact for 1.0 × 10-2 s. Calculate the magnitude of the average force exerted on the ball by the bat as it makes contact with the ball. 1120 n

Calculate the magnitude of the impulse applied to the 0.75 kg car to change its velocity from 0.50 m east to 2.00 m east per second. 1.125 m/s east

36 A 1000 kilogram car traveling at 15 meters per second due east is hit from behind and receives a forward impulse of 6000 newton-seconds. Determine the amount of change in momentum of the car due to this impulse. 6000 kg m/s

A student weighing 60 kg jumps off a laboratory counter. Once he hits the ground his speed is 3 meters per second. If the student stops in 0.2 s, what is the average force of the ground on the student? (A) 1×10–2 N (B) 9×102 N (C) 1×102N (D) 4N B

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