Answers350CR Integrated ScienceKinetic Energy

Kinetic Energy Answers

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Answer:

99355

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A
585
B
735
C
1,170
D
2,345
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Answer:

99362

7

A 600 kg car is at rest, and then accelerates to 5 m/s. What is its original kinetic energy? J What is its final kinetic energy? J How much work was used? J

Answers:
Part 1:0
Part 2:7,500
Part 3:7,500
8

The mass of car 2 is twice the mass of car 1. If both cars have the same velocity, how does the kinetic energy of car 2 compare to car 1?

A
Car 2 has four times the kinetic energy.
B
Car 2 has twice the kinetic energy.
C
Both cars have the same kinetic energy.
D
Both cars increase in kinetic energy if they slow down.
9

Assume the objects listed below have the same velocity. Which object has the most kinetic energy?

A
a bus
B
a car
C
a plane
D
a bicycle

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