a book of mass 1kg is raised through a height . if the potential energy increased by 49joule, find the height raised
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We have,
Mass=1kg
G=9.8
let height be h.
We know that,
P.E=mgh
SO,
49=1×9.8×h
49=9.8h
49÷9.8=h
5=h
Hence height =5m
Mass=1kg
G=9.8
let height be h.
We know that,
P.E=mgh
SO,
49=1×9.8×h
49=9.8h
49÷9.8=h
5=h
Hence height =5m
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