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CBSE Class 9 Answered

An object is falling freely from a height x. After it has fallen a height x/2,it will possess
Asked by roshanraj912346 | 21 Nov, 2018, 09:11: PM
answered-by-expert Expert Answer
when the object of mass is at a height x,   potential energy (P.E.) = mgx  Joules, kinetic energy (K.E.) = 0
and total energy = mgx Joules
 
when the object of mass is at a height (x/2),   potential energy (P.E.) = mg(x/2) Joules, kinetic energy (K.E.) =  mg(x/2) Joules
and total energy = mgx Joules
 
Answered by Thiyagarajan K | 22 Nov, 2018, 01:10: AM
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