Question

In a 100 m race, the winner takes 10 s to reach the finishing point. The average speed
of the winner is ______ m/s.
(5 , 10 , 20, 40)

TNSCERT Class 9 General Science Ch 6 Motion

Answer 1

the average speed is 10

Answer 2

Average speed= Total Distance covered/ Total time taken.............. ATQ. Distance =100m and time= 10s............ So average speed= 100/10= 10 m/s. ................................................ .. ..... ............. So , the answer is __10m/s__.