SPEED AND VELOCITY WORK POWER AND ENERGY - Practice Mode

1) What is the acceleration of an aeroplane taking off from landing field has to run 700 metres if it leaves the ground in 10 seconds from the start?

8 metre/sec<sup>2</sup> 10 metre/sec<sup>2</sup> 12 metre/sec<sup>2</sup> 14 metre/sec<sup>2</sup>

Correct Answer: 12 metre/sec<sup>2</sup>

2) What maximum height a stone will reach if it is thrown upwords with a velocity of 20m/sec?(g = 10m/sec²)

10 m 20 m 30 m 40 m

Correct Answer: 20 m

3) What is the work done in unit time?

Energy Power Force Acceleration

Correct Answer: Power

4) What is the capacity of a body to do work is called?

Energy Power Acceleration Force

Correct Answer: Energy

5) What is the ratio of power output to power input?

Work Energy Efficiency Acceleration

Correct Answer: Efficiency

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