the kinetic energy of an object of mass M moving with a velocity of 5 metre per second is 25 joule what will be its kinetic energy when its velocity is doubled what will its kinetic energy when its velocity increase three times
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Answered by
36
since we know that:
Kinetic Energy = 1/2mv²
25= 1/2 M ×(5)². {accordingly given in question
i.e. m= M}
25=25/2 M
M= 25× 2/25
M= 2kg or 2gm.
Kinetic Energy = 1/2mv²
25= 1/2 M ×(5)². {accordingly given in question
i.e. m= M}
25=25/2 M
M= 25× 2/25
M= 2kg or 2gm.
Answered by
11
the kinetic energy of an object is mass m, moving with a velocity of 4 ms to the power minus 2 is 16 J what is the kinetic energy when its velocity is doubled
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