a ball of mass 50g is moving over a surface with velocity of 10 m per second if the velocity of ball becomes 5 m per second after travelling some distance calculate the work done by the force between the ball and surface?
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w=f.s
f= m.a
here a is = 10 due to gravity
so f= 50.10
500
now we have to find s
we find s with the help of newton equation
v²=u²+2as
so s is equal to50 and work is equal to 2500
f= m.a
here a is = 10 due to gravity
so f= 50.10
500
now we have to find s
we find s with the help of newton equation
v²=u²+2as
so s is equal to50 and work is equal to 2500
anishkjains:
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2500j
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Answered by
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the answer is 2500......
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