In sport meet the timing of a 200 m straight dash is recorded at the finish point by starting an accurate stop watch on hearing the sound of starting gun firen at the starting poing. The time recorded will be more accurate

A time keeper in a 100 m run is advised to start the stop watch by seeing the smoke from the starter's gun and not by hearing the sound of fire. Wey?

The fig. shows the v-t graph of a particle moving in straight line. Find the time when particle returns to the starting point.

The fig. shows the v-t graph of a particle moving in straight line. Find the time when particle returns to the starting point.

The fig. shows the v-t graph of a particle moving in straight line. Find the time when particle returns to the starting point.

What is the smallest time interval which can be measured accurately : with clocks and watches used in sports meets ?

Ravin and Skha drive around a circualr sports field. Ravi takes 16 minutes to take one round while sikha completes the round in 20 minutes. If both start at the same point at the same time and go in same direction, after how much ltime will they meet at the starting point ? [