Question

A car of mass 1000kg accelerates uniformly from rest to a velocity 54km/hr in 5 seconds
calculate :
its acceleration?
its gain in KE?

average power of the engine during this period? ​

Answer 1

Answer:

Power =

time

Workdone

=

time

Increase in K.E.

P=

t

2

1

mv

2

=

5

2

1

×10

3

×(15)

2

=22500W

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