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Grade: 11

                        

A bodyis thrown vertically upward with velocity 10 m/s. When it reach to the point it loses its 25% kinetic energy . Then find the distance of the point from the ground .

4 years ago

Answers : (1)

Vikas TU
12154 Points
							
From the enrgy conservation principle,
Taking the reference from ground,
0.5*m*v^2 + 0 = mgh + 0.75*(0.5mv^2)
m gets cancelled.
solvee for h that would be the distance from ground.
4 years ago
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