Question

a car cover 72 km in 2 hours . find the speed of the car also find the speed of the car in si unit​

Answer 1

Answer:

In an inertial frame of reference, Speed=Distance/time.

Given here, speed= 72km/hour= 72km/3600seconds=72000m/3600seconds

That is, speed=20m/s (International System of Units)

For time= 2 seconds, distance=speed*time (just rearranging the above formula)

Therefore Distance traveled by the car=20*2m=40

Explanation:

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Answer 2

Answer:

distance=72km

time =2hours

speed =distance/time

speed =72/2

=36km/h

the speed of the car in si unit is 36km/h