A woman who weighs 50 kilograms is jogging at 5 miles per hour. What is her kinetic energy in kJ? (Remember to convert mph to m/s.)
What will be an ideal response?
5 mi/h)(0.621371192 km/mi)(1,000 m/km)(1/3,600 h/s) 0.863 m/s KE = ½ mv2 = (0.5)(50 kg)(0.863 m/s)2 = 18.6 J
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A. True B. False
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