If a body of mass $200 g$ falls from a height $200 m$ and its total potential energy is conserved into kinetic energy, at the point of contact of the body with the surface, then decrease in potential energy of the body at the contact is

900 J

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500 J

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400 J

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200 J

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Solution

The correct option is C $400 J$
The $P E = m * g * h = 0.200 k g * 200 m * 10 m / s = 400 J$

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If a body of mass 200g falls from a height 200m and its total potential energy is conserved into kinetic energy, at the point of contact of the body with the surface, then decrease in potential energy of the body at the contact is

The correct option is C 400JThe PE=m∗g∗h=0.200kg∗200m∗10m/s=400J

If a body of mass $200 g$ falls from a height $200 m$ and its total potential energy is conserved into kinetic energy, at the point of contact of the body with the surface, then decrease in potential energy of the body at the contact is

The correct option is C $400 J$
The $P E = m * g * h = 0.200 k g * 200 m * 10 m / s = 400 J$