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A 30kg dog runs at a speed of 15 m/s. What is the dog's Kinetic energy?
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A 30kg dog runs at a speed of 15 m/s. What is the dog's Kinetic energy?

User Frecklefoot
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A :-) KE = 1 by 2 mv^2
Given - m = 30 kg
v = 15 m/s ( speed = velocity )
Solution -
KE = 1 by 2 mv^2
KE = 1 by 2 x 30 x 15
( cut 2 and 30 because 2 x 15 = 30 )
KE = 15 x 15
KE = 225 J

.:. The kinetic energy ( KE ) = 225 J.
User Milen Kindekov
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