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A 700kg horse is running with a velocity of 5 m/s. How much larger is the horse's kinetic energy compared to a 100kg man running at the same speed?
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A 700kg horse is running with a velocity of 5 m/s. How much larger is the horse's kinetic energy compared to a 100kg man running at the same speed?

User Mesmo
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1 Answer

5 votes

Answer:

Below

Step-by-step explanation:

K.E. = 1/2 mv^2

Horse = 1/2 (700) (5^2) = 8750 j

man = 1/2 (100)(5^2) = 1250 j

8750/1250 = 7 times larger

( seven times the mass at the same speed = seven times the K.E.)

User Kunl
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