Question

3. A car travels from stop A to stop B with a speed of 30 km/h and then returns back to A with a speed of 50 km/h. Find
(i) displacement of the car.
(ii) distance travelled by the car.
(iii) average speed of the car.​

Answer 1

(1) displacement of the car is stop A.

(2)30+50=80km

distance travelled by the car is 80km..

(3) I think 140 is the average speed of car ....