Question

two spheres of 1:2 proportion of ratio of radius are moving with 3:4 velocity ratio. If their densities are in ratio of 3:2 then their kinetic energy ratio is​

Answer 1

Answer:

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Answer 2

Answer:

R1=x

R2=2x

V1=3y

V2=4y

D1=3z

D2=2z

kE1/KE2=(.5×3Z×9Y^2×1.34×π×X^3)÷

(.5×2z×16y^2×1.34×π×8x^3)

=(3/2)×(9/16)×(1/8)

=27/288