Question

a car travels from stop a to b with a speed of 30 kilometre per hour and returns back with a speed of 50 km per hour find a)displacement of car
b)distance travelled by car
c)average speed of the car

Answer 1

a)displacement of the car will be zero as displcaments is the change in position in particular direction but here inital and final positon become same hence dispalcement will be zero.

b) t=1 hour V=35 S= 35 m

c)Vav=2V1V2÷V1+V2= 35km/h
i hope its helpful