Calculate the kinetic energy in joules of a 1500 kg automobile moving at 17 m/s . express your answer to two significant figures and include the appropriate units.

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16-11-2016
Physics

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Calculate the kinetic energy in joules of a 1500 kg automobile moving at 17 m/s . express your answer to two significant figures and include the appropriate units.

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rjnelson100 rjnelson100 · Answer 1 · 2016-11-23T23:27:36+01:00

rjnelson100 rjnelson100

23-11-2016

Kinetic energy = 1/2 (mass)*(velocity)^2

ke = 1/2 (1500kg) (17m/s)^2
ke = 216750 kg*m^2/s^2 = 216750 Joules

(sorry, I don't know significant figures. but this is otherwise the correct answer with the right units. hope this helps!! :))

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