# Work and Energy

## Quiz by Ron Andrew

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includes Teacher and Student dashboards

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10 questions

Show answers

- Q1Which of the following is a power unit?wattnewton-secondjoule/secondjoule120s
- Q2A 5.20 kg ball is lifted into a storage rack. If the increase in potential energy is 145 j, what was the increase in the height of the ball?27.9 m2.85 m0.0356 m0.351 m120s
- Q3Two identical objects move with speeds of 5.00 m/sec and 30.0 m/sec. What is the ratio of their kinetic energies?1/361/121/1801/6120s
- Q4Which of the following objects has the largest kinetic energy?mass 3m and speed 2vmass m and speed 5vmass 5m and speed vmass 2m and speed 3v120s
- Q5A car's speed increases from 4.00 m/sec to 20.0 m/sec. At 20.0 m/sec, the car will slide _______ times farther after the brakes are applied uniformly than it would have at 20.0 m/sec1610525120s
- Q6120s
- Q7120s
- Q8120s
- Q9120s
- Q10120s