A ball is thrown up with a kinetic energy of 20 joule. If it reaches maximum height of 1 metre find the mass of the ball.
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Answer:
According to the law of conservation of energy,
Kinetic energy= Potential energy
Therefore,
KE= mgh
20= 1 × 10 × h. {considering that g=10m/s²}
h= 20÷2
h= 10 m
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Answered by
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Answer:
i dont know sista sorry
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