xam idea solutions of class 9th by vkglobal publications pvt lilited

A body of mass 2 kg is thrown vertically upward with an initial velocity of 20 metre per second. what will be the potential energy at the end of 2 second ? what is the maximum value of potential energy?

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Evaporation causes cooling . Explain
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THERE IS NO SOLUTION
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No.12

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What is crobion dixide called
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