Question

ans all 3.........................

Answer 1

Explanation:

As we know Speed=distance/time

i) speed = 3m/4s

= 3/4

= 0.75 metres per second

ii) displacement/distance= 3m

Time= 7-5 = 2 seconds

Speed = 3/2

= 1.5 meters per second

iii) displacement/distance= 3m

Time= 10-7= 3seconds

Speed = 3/3

= 1 metre per second

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Answer 2

Answer:

ans all 3.........................

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