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A car weighing 1200kg is uniformly …

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A car weighing 1200kg is uniformly accelerated from rest and it covers a distance of 40meters in 5 seconds. Calculate the work done by the engine of car during this time and what is the kinetic energy of the car

Posted by Bhawna Jain 4 years ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 4 years ago

s=ut+1/2at²
40=1/2a(5)²
a=80/25
a=3.2m/s²
f=ma
=1200*3.2
f=3840N
work=fs
=3840*40
w=153600J

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