The mass of two substances are 4 g and 9 g respectively. If there kinetic energies are same, then the ratio of their momenta will be......
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ke=P2/2m
ke of one mass=p2/8
ke of other mass=P2/18
we have
ke of one= ke of other
P2/8=P2/18
p2/P2=8/18=4/9
hence ratio is 4:9
ke of one mass=p2/8
ke of other mass=P2/18
we have
ke of one= ke of other
P2/8=P2/18
p2/P2=8/18=4/9
hence ratio is 4:9
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