a car start at rest and travel a distance 20 m in 1 second the cars average speed is what
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average speed of car is 20m/s
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speed= distance/time
here, d= 20m
t= 1s.
so speed of the car= 20m/s.
in case of average speed , total path length is taken as the distance covered... but here, the total path length is also 20 m ...and total time is 1 sec.as it accelerated from rest.. that's why, average speed is also ..20m/s
here, d= 20m
t= 1s.
so speed of the car= 20m/s.
in case of average speed , total path length is taken as the distance covered... but here, the total path length is also 20 m ...and total time is 1 sec.as it accelerated from rest.. that's why, average speed is also ..20m/s
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