**A 1200 Kilogram Car Moving At 12** – . 1.00 m/s c

What is the speed of a 1.0 × 103 kg car that has a speed of 2.0 × 104 kg • m/s due east? (A) 5.0 × 10-22 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 1200 Kilogram Car Moving At 12

A 60-kg skate exerts a 10-N force on a 30-kg skate for 0.20 seconds. What is the magnitude of the impulse applied to the 30 kg skate? (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 skate exerts a 10-N force on a 30-kg skate for 0.20 seconds. What is the magnitude of the change in energy exerted on the 30 kg roller skate? (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 skate exerts a 10-N force on a 30-kg skate for 0.20 seconds. What is the magnitude of the change in force applied to the 60 kg roller skate? (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 1-kilogram baseball, first moving at 15 meters per second, is second brought to rest with the baseball in the carrier’s hands. What changes in the amount of time spent on the ball and gloves? -2.235

10 A 1 kg baseball, first moving at 15 meters per second, is second brought to rest with the baseball in the catcher’s hands. The magnitude of the normal force exerted on the ball by the gloves is (A) 2.2 N (B) 2.9 N (C) 17 N (D) 56 N (D) 56 N

#### Answered: 145. A 2.0 Kilogram Cart Moving Due…

What factors will make the biggest difference in the speed of a 1.0 kg card? . for 0.5 s c

12 A 0.15 kg baseball moving at 20 m/s is stopped by the catcher for one second. The average tension of 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 object, sliding eastward on a horizontal surface, is unimpeded and has a velocity of 30 kg • m/s, against an obstacle. The obstacle exerts a force of 10 N • s to the west. The terminal velocity 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 Ball A of mass 5.0 kg moving at 20 m/s collides with ball B of unknown mass moving at 10 m/s in the same direction. After the collision, ball A is traveling at 10 m/s and ball B at 15 m/s, both still 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.

## Solved: A 1200 Kg Car Is Moving At 50.0 Km/h. The Driver Applies The Brakes And The Car Stops After 16 M. How Much Work Is Done By Friction On The Car?

16 Masses of 1.2 kg and 1.8 kg are initially at rest on a horizontal horizontal surface. When the spring is closed in the center of the space and released, the 1.8 kg spring stops 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 bar is at rest on a horizontal horizontal surface. A 1.0-kg mass of clay is pushed horizontally at 6.0 m/s toward the block. After the collision, the block of clay and metal is stuck together and moves to the right with a speed 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) with a horizontal velocity (6 m/s) jumps from a dock to a stationary boat (120 kg). After landing on the boat, the woman and the boat travel with speed v2. Find v2 2 m/s

The 3.1 kg gun first rest is free. When a 1-pound bullet is fired from a 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

## Hours Of Daytona

In a circus, a 100 kg clown is shot at 15 m/s by a 500 kg ball. What is the speed of the ball? (A) 75 m/s (B) 3.0 m/s (C) 15 m/s (D) 5.0 m/s B

An 8.00 kg ball bounces horizontally from a 1.00 kg × 103 ball initially at rest. After the shot, the ball’s velocity is 2.40 × 103 kg • m/s toward the east. Calculate the magnitude of the ball’s velocity after the ball is hit. 2.4 m/s

An 8.00 kg ball bounces horizontally from a 1.00 kg × 103 ball initially at rest. After the shot, the ball’s velocity is 2.40 × 103 kg • m/s toward the east. Calculate the magnitude of the ball’s velocity after the shot. 300 m/s

A 50-pound child runs at 6.0 meters per second and jumps off a vertical scale of 10. It is uphill without friction. Calculate the speed of the bicycle and the child after jumping on the bicycle. 5 m/s

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25 A 1200-pound car traveling at 12 meters per second collides with a 2300-pound car coming to rest at a traffic light. After the collision, the cars lock together and slide. Eventually, the coupled vehicles come to rest from the kinetic energy of friction as the rubber tires slide over the dry, level, asphalt road. Calculate the speed of the cars locked together after the collision. 4.1 m/s

27 A 2.0-kg laboratory carton slides along an undisturbed horizontal surface with a constant velocity of 4.0 m/s toward the east. What is the velocity of the carton after a 6.0-Newton force exerts force on it for 2.0 seconds? (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 1200 kg car traveling at 10 m/s hits a tree and comes to rest for 0.10 seconds. What is the magnitude of the normal force acting on the car to bring it to rest? (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 m ball at 20 m/s. How much force did the student exert 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

#### The Mass Of A Car Is 1200 Kg. It Comes To Rest Due To Retardation Of 2 Ms^( 2) . What Would Be The Force (frictional Force) Acting Between The Car And Road ?

Immediately before the battery hits the 0.14-kilogram ball, the ball’s velocity is 45 meters per second to the west. At the instant after hitting the ball, the ball’s speed is 35 meters per second due to the east. The ball and the ball collide for 1.0 × 10-2 seconds. Calculate the initial velocity of the ball. 6.3 kg m/s

Immediately before the battery hits the 0.14-kilogram ball, the ball’s velocity is 45 meters per second to the west. At the instant after hitting the ball, the ball’s speed is 35 meters per second due to the east. The ball and the ball collide for 1.0 × 10-2 seconds. Calculate the final force of the ball. -4.9 kg m/s

Immediately before the battery hits the 0.14-kilogram ball, the ball’s velocity is 45 meters per second to the west. At the instant after hitting the ball, the ball’s speed is 35 meters per second due to the east. The ball and the ball collide for 1.0 × 10-2 seconds. Calculate the change in velocity of the ball. 11.2 kg m/s

Immediately before the battery hits the 0.14-kilogram ball, the ball’s velocity is 45 meters per second to the west. At the instant after hitting the ball, the ball’s speed is 35 meters per second due to the east. The ball and the ball collide for 1.0 × 10-2 seconds. Calculate the impulse acting on the ball. 11.2 Nos

## Solved: A Car With A Mass Of 1100 Kg And A Speed Of V1 = 15.0 M/s Approaches An Intersection, As Shown In The Figure(figure 1). A 1200 Kg Minivan Traveling At

Immediately before the batter hits the 0.14 kg baseball, the ball’s velocity is 45 meters per second to the west. At the instant after hitting the ball, the ball’s speed is 35 meters per second due to the east. The ball and the ball collide for 1.0 × 10-2 seconds. Calculate the magnitude of the normal force that the bat exerts on the ball when they are in contact. 1120 N.

Calculate the magnitude of the force exerted on the 0.75-kg bicycle to change its speed from 0.50 meters per second due east to 2.00 meters due east. 1,125 m/s in the east

36 A 1000-pound car moving east at 15 meters per second is pushed backwards and receives a forward force of 6000 Newton-seconds. Determine the magnitude of the change in the electric current of the machine due to this impulse. 6000 kg m/s

A 60-pound student jumps onto the lab. At the moment he is falling down, his speed is 3 meters per second. If the student stops for 0.2 seconds, what is the force exerted on the floor by the student? (A) 1 × 10–2 N (B) 9 × 102 N (C) 1 × 102N (D) 4N B

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A motorcycle runs over a

Moving baby to own room at 12 months, a 1200 kilogram car moving at 12, when you look at the speedometer in a moving car