Question

1. A train is 100m long and is moving with a speed of 72kmph. The time taken by the train to cross a bridge of length 0.5km is?
2. A car runs at a constant speed on a circular track of radius 100m and takes 62.8s for every circular lap. The average speed for each circular lap is
3.Speedometer of a car measures

Answer 1

Answer:

Explanation:

1.Total distance=600 m

time=distance/speed

=600/20

=30 sec

2.10 m/s

3. instantaneous speed

Answer 2

Answer:

sorry dude but i dont know