Speed and Velocity, Work, Power and Energy MCQ with Answers

Speed and Velocity, Work, Power and Energy MCQ with Answers

11) What is the speed of a train of 80 metre long train passes a railway station platform of 120 metres length in 20 seconds?

Answer is:

36 km/hour

12) What is the formula for acceleration?

Answer is:

Metre/second²

13) What is the unit of acceleration of an object?

Answer is:

Metre/second²

14) What is the acceleration of a car if the speed of the car has increased from 25 km per hour to 40 km per hour in one minute?

Answer is:

0.069 m/sec²

15) What is the retardation of a car moving with a velocity of 50 km/hr is brought to rest in 45 seconds?

Answer is:

0.30 m/sec²