Science, asked by AasthaSingh1, 1 year ago

A body of mass 10 kg is moving with a velocity of 10 m/s on a horizontal plane. Then the magnitude of work done by the frictional force if it comes to rest finally is what? (1) 250J. (2) 500 J. (3) 750 J. (4) 100 J.

Answers

Answered by shaikhsohil
6
W=. 5 m v2 = 500 J is this right?

AasthaSingh1: from where did this formula arise?
shaikhsohil: kinetic energy ⚡, is converted into friction energy
AasthaSingh1: and what about 5
shaikhsohil: it's 1/2 mv2 v square
AasthaSingh1: I got it
AasthaSingh1: thanks
shaikhsohil: you're welcome
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