two objects whose masses are in the ratio of 2:3 are moving with speed in the ratio of 4:5 .calculate the ratio of their Kinetic energies
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two objects whose masses are in the ratio of 2:3 are moving with speed in the ratio of 4:5 .calculate the ratio of their Kinetic energies
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Let's take M1=2x and M2=3x
and V1=4y and V2=5y
then ratio of KE=
1\2 M1 V1^2 : 1\2 M2 V2 ^2
substituting values for mass and velocity we get
1\2 (2x)(16y^2) :1\2 (3x)(25y^2)
cancelling out like terms we get
32:75
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