A bomb is dropped at a point from a moving aeroplane. The pilot observes that

An object is dropped from a height onto the floor, Which one of the following remains uniform as it falls?

A bus starting from a bus-stand and moving with uniform acceleration attains a speed of 20 km/h in 10 minutes. What is its acceleration?

Which one of the following is not a conservative force ?

A particle moves with uniform acceleration along a straight line from rest. The percentage increase in displacement during sixth second compared to that in fifth second is about

Starting from rest a vehicle accelerates at the rate of 2 m/s² towards east for 10s. It then stops suddenly. It then accelerates again at a rate of 4√2 m/s² for next 10 s towards south and then again…