Question

Anand leaves his house at 8.30 A.M for his school. The school is 2 km away and classes start at 9.00 A.M. If he walks at a speed of 3 km/h for the first kilometre, at what speed should he walk the second kilometre to reach just in time? The velocity-time graph shows the motion of a cyclist. Find
(i) its acceleration
(ii) its velocity
(iii) the distance covered by the cyclist in 15 seconds​

Answer 1

Answer:

its velocity

Explanation:

I hope it helps you

Answer 2

speed is equal to 3 kilometres per hour for the first hour hence time taken =distance/speed=1/3 h time left=0.5 -1/3=0.5/3 distance left = 1 km hence speed at which he should walk second km would be 1/(0.5/3)= 6 km per hour.

velocity