the momentum of a body is 20000 dyne-sec. its KE is 200 erg . the mass of the body
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P= 20000dyne-sec
KE= 200 erg
P= mv
KE= mv²
v= mv²/mv= 20000/200= 100cm/s
mass= P/v = 20000/100= 200 gram= 0.2 kg
KE= 200 erg
P= mv
KE= mv²
v= mv²/mv= 20000/200= 100cm/s
mass= P/v = 20000/100= 200 gram= 0.2 kg
abhi1650:
I want in kg s
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