Physics, asked by Sriyathmika, 1 year ago

answer this...pls...

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Answered by ritubhatiya77

0

3) 0.90 is the answer

Sriyathmika: the answer is 1 frnd

sumaiyahsadia: how

Sriyathmika: dont know

Sriyathmika: i want the solution for that

Sriyathmika: so that i have asked u

Answered by sumaiyahsadia

0

we khow kE =1/2 mv^2
M=90kg
v=s/t=20/20=1m/s^2
45/100=0.45J

sumaiyahsadia: i have answered

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