Question

boy moves in a field whose length is 20 metre he covers 40 metre in 1 minute by going from one end to the other end and back along the same straight path find average speed and average velocity of the boy​

Answer 1

Answer:

37. 5 km/h

Explanation:

20÷4=5

1min=60sec

60÷2=30

30÷4=7. 5

7. 5×5=37. 5