Physics, asked by Motoxplay, 1 year ago

Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?

Answers

Answered by Meww

12

WD = KE = mv²/2
= 1500 * 60 * 5/18 * 60 * 5/18 / 2
= 1500 * 16 * 16/2
= 192000J

Dhanush2001: y did u multiply 5/18 twice rather than once

Meww: because thr is velocity square

Dhanush2001: thnx mewe

Meww: :)

Answered by jaskaran28

4

work done= -1/2mv^2
-1/2*1500*5/18*60
-208416.675

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