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4. you pull Nick on a skate board at a constant acceleration. A friend who weight the same as Nick gets on the skateboard too. How is the force you have to apply affected to maintain a constant acceleration?
B. solar energy-- electrical energy -- light energy
C. 4N
D. Speed generated from force of rockets during liftoff is maintained throughout the flight since there is no air friction
A. at the bottom of the first drop
C. Friction with the grass applies a net force on the ball causing it to decrease in speed.
C. 20N
D. at the top of the first drop
C. The amount of force required is doubled.
5. The data chart below indicates how carts of different mass accelerate when a constant force is applied. Using the data, determine the amount of force used in Newtons
B. solar energy-- electrical energy -- light energy
C. 4N
D. Speed generated from force of rockets during liftoff is maintained throughout the flight since there is no air friction
A. at the bottom of the first drop
C. Friction with the grass applies a net force on the ball causing it to decrease in speed.
C. 20N
D. at the top of the first drop
C. The amount of force required is doubled.
11. What energy transformations are occurring in this scenario?
B. solar energy-- electrical energy -- light energy
C. 4N
D. Speed generated from force of rockets during liftoff is maintained throughout the flight since there is no air friction
A. at the bottom of the first drop
C. Friction with the grass applies a net force on the ball causing it to decrease in speed.
C. 20N
D. at the top of the first drop
C. The amount of force required is doubled.
10. At what point on a roller coaster does the train have the highest potential energy?
B. solar energy-- electrical energy -- light energy
C. 4N
D. Speed generated from force of rockets during liftoff is maintained throughout the flight since there is no air friction
A. at the bottom of the first drop
C. Friction with the grass applies a net force on the ball causing it to decrease in speed.
C. 20N
D. at the top of the first drop
C. The amount of force required is doubled.
6. Josh Hamilton crushes a home run over the center field wall. The ball struck with a force of 20N. How much force does the ball apply to the bat?
B. solar energy-- electrical energy -- light energy
C. 4N
D. Speed generated from force of rockets during liftoff is maintained throughout the flight since there is no air friction
A. at the bottom of the first drop
C. Friction with the grass applies a net force on the ball causing it to decrease in speed.
C. 20N
D. at the top of the first drop
C. The amount of force required is doubled.
1. Susan kicks a soccer ball across a grassy field and it eventually comes to a stop. If Newton's law of inertia is true, why did the ball stop?
B. solar energy-- electrical energy -- light energy
C. 4N
D. Speed generated from force of rockets during liftoff is maintained throughout the flight since there is no air friction
A. at the bottom of the first drop
C. Friction with the grass applies a net force on the ball causing it to decrease in speed.
C. 20N
D. at the top of the first drop
C. The amount of force required is doubled.
2. When in orbit the space shuttle used very little rocket power to maintain its speed despite traveling over 15,000 mph. How were NASA engineers able to do this?
B. solar energy-- electrical energy -- light energy
C. 4N
D. Speed generated from force of rockets during liftoff is maintained throughout the flight since there is no air friction
A. at the bottom of the first drop
C. Friction with the grass applies a net force on the ball causing it to decrease in speed.
C. 20N
D. at the top of the first drop
C. The amount of force required is doubled.
12. At which point on a roller coaster does the train have the highest kinetic energy?
B. solar energy-- electrical energy -- light energy
C. 4N
D. Speed generated from force of rockets during liftoff is maintained throughout the flight since there is no air friction
A. at the bottom of the first drop
C. Friction with the grass applies a net force on the ball causing it to decrease in speed.
C. 20N
D. at the top of the first drop
C. The amount of force required is doubled.
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