An object of mass 50 kilograms is raised to height 600 m. Find potential energy (g=10m/s2)
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Potential energy can be calculated as: mgh = 50 ×× 9.8 ××4 = 1960 N
Total Mechanical energy = 1960 N
Kinetic energy when it is at fallen down 2 m = ?
Potential energy when it is at fallen down 2 m = mg(4-2) = 50×× 9.8 ××2 = 980 N
therefore, Kinetic energy when it is at fallen down 2 m = Total energy - potential energt at 2 m = 1960-980=980 N
do same as for 600m
okk
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