Question

3. A car coversa distance 315 km in 2.8h what should be the average speed of the car
(a)112.5 m/s (b) 56.25 m/s
(c) 62.5 m/s (d) 31.25 m/s
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Answer 1

Answer:

option b is the right answer me back to the radius

Answer 2

Answer:

Let the average speed of the car be=xm

Therefore Request x= 315/2.8

= 3150/28

x=112.5m/s