1.

a car of mass 1000 kg is starting from the rest and mo ing with a uniform acceleration covers a distance of 20 m in 25s. calculate the work done by the engine of the car during this time​

Answer»

ANSWER:

W=F×s

W=ma×(UT+

2

1

at

2

)

=(1000×2)×(0×5+

2

1

×2×5

2

)

=2000×25

=100kJ



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