a car is running at a speed of 15 km per hour while another similar car is moving at a speed of 45 km per hour find the ratio of their Kinetic energies
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K.E=1/2mv²
so velocity of first car .v₁=15km/hr
similarly velocity of second car..v₂=45km/hr
ratio=1/2mv₁²/1/2mv₂²
(v₁/v₂)²=15*15/45*45=1/9 this is answer
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so velocity of first car .v₁=15km/hr
similarly velocity of second car..v₂=45km/hr
ratio=1/2mv₁²/1/2mv₂²
(v₁/v₂)²=15*15/45*45=1/9 this is answer
please mark me brailiest
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