A man runs `100.5 m` in `10.3 sec`. Find his average speed up to appropriate significant figures.

Each side of a cube is measured to be 7.203 m . Find the volume of the cube up to appropriate significant figures.

Each side of a cube is measured to be 7.203 m . Find the volume of the cube up to appropriate significant figures.

Round up the following figures upto 3 significant figures. 10.4107

If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.

If a person covers 40 km at a speed of 10 km/h by a cycle, 25 km at 5 km/h on foot and another 100 km at 50 km/h by bus. Then, find his average speed for the whole journey?

A 90-kg man runs up an escalator while it is not in operation in 10s . What is the average power developed by the man. Suppose the escalator is running so that the escalator steps move at a speed of 0.5m^-1 . What is then the power developed by the man as seen by the ground reference if he moves at the same speed relative to the escalator steps as he did when the escalator is not in operation?

A 90-kg man runs up an escalator while it is not in operation in 10s . What is the average power developed by the man. Suppose the escalator is running so that the escalator steps move at a speed of 0.5m^-1 . What is then the power developed by the man as seen by the ground reference if he moves at the same speed relative to the escalator steps as he did when the escalator is not in operation?

A body covers 10 m in the first 5 s and 20 m in the next 5 s. Find its average speed.