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An object of certain mass is …

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An object of certain mass is dropped from the top of a building of height 10m.At a certain point on its path,the ratio of its potential energy to its kinetic energy is found to be 1:3. The workdone by the gravitational force of the earth in moving the body up to this point is 225 J.Determine the mass of the object and the kinetic energy when it reaches the ground.( take g= 10m/s²) (Ans, 9kg,900J)

Posted by Jaspreet Singh 4 years, 5 months ago

CBSE > Class 09 > Science

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CBSE > Class 09 > Science