Physics, 22.09.2019 23:30, mmelody5

How fast must a 1000 kg car moving to have a kinetic energy of (a) 2.0 x 10^3 j and (b) 2.0×10^5 j

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How fast must a 1000 kg car moving to have a kinetic energy of (a) 2.0 x 10^3 j and (b) 2.0×10^5 j...