Question

A bus is moving with a velocity 10ms^–1 on a straight road. A scooterist wishes to overtake the bus in 100s. If the bus is at a distance of 1 km from the scooterist, with what velocity should the scooterist chase the bus ? 

(a) 50 ms^–1 

(b) 40 m s^–1 

(c) 30 m s^–1 

(d) 20 m s^–1

Answer 1

Correct option (d)

Explanation:

Let the velocity of the scooter be v ms^–1. Then  

(v -10)100 =1000 or v = 20 ms^-1