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12 Nov 2019
A car has a kinetic energy of 4.32 times 105 J when travelling at a speed of 23 m/s. What is its mass? What is the speed of a 0.145 kg baseball if its kinetic energy is 109 J? Calculate the speed of an 8.0 times 104kg airliner with a kinetic energy of 1.1 times 109 J.
A car has a kinetic energy of 4.32 times 105 J when travelling at a speed of 23 m/s. What is its mass? What is the speed of a 0.145 kg baseball if its kinetic energy is 109 J? Calculate the speed of an 8.0 times 104kg airliner with a kinetic energy of 1.1 times 109 J.
Jean KeelingLv2
11 Jul 2019