CBSE Class 12-science Answered
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Asked by jain.pradeep | 25 Apr, 2019, 01:45: PM
Expert Answer
Qn. 43) workdone on the rider to lift up to 5 m height = mgh = 5×9.8×5 = 245 J ≈ 250 J
Qn, 44) speed is greatest at 1-m mark on the way up , at 1-m mark on the way down
Answered by Thiyagarajan K | 26 Apr, 2019, 05:53: AM
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