body is situated at the height of 20 metre from the ground potential energy of a body is hundred joules. find the mass of body ( given g = 10m/s )
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hi भिकारी दफा हो
छमधठ दज्ञफझ थंड थंड
थडरगम़ ठधयदगक्ष
झगदगरग
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