if a ball having a mass of 4 kg is rolled along a smooth surface with a uniform velocity of 750/min, be that what is the kinetic energy possessed by a ball?
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Answer:
321J(approx)
Explanation:
mass of the ball(m)= 4kg
velocity of ball(v)= 750/min= 760/60sec
=76/6sec
We know thst kinetic energy= 1/2mv²
PUTTING ALL THE VALUES
K.E.=1/2*4*(76/6)²
=2*(5776/36)
=5776/18
= 320.88J
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Answer:
Explanation:lf a ball having a mass of 4 kg is rolled along a smooth surface with a uniform velocity of 750 m / s what is the kinetic energy possessed by the ball
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