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A body of 1 kilograms is how to fall freely from a height of 25 m calculate its kinetic energy potential energy and Total energy at the instance it is at a height of 4 m from the Earth when gequal to 10 M per second square |
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Answer» GIVEN, u=40 m/s For maximum height,v=0 m/s Using relation, v2−u2=2gh0−402=2×(−10)×hh=80 cm1−Kinetic energy is equal to POTENTIAL energy at h'=h/2=80/2=40 cm2−Potential energy of body of mass 10kg is given byP.E=mgh=10×10×80=8000 J |
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