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lorasvet [3.4K]
3 years ago
15

What is the percentage increase IN kinetic energy(K.E) ,If the momentum(p) of a moving body is increase by 10%?And How? (If K.E=

p^2/2m)
Physics
1 answer:
DerKrebs [107]3 years ago
5 0
KE =  \frac{p^2}{2m} (start kinetic energy)
KE =  \frac{(1.1p)^2}{2m} =1.21 \times  \frac{p^2}{2m}
KE_n_e_w=1.21\times KE_o_l_d
Therefore increasing the momentum by 10% increases KE by 21%.
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