Which has greater kinetic energy, a car traveling at 40 mph or a half-as-massive car traveling at 80 mph? a -The 40 mph car

Question

Which has greater kinetic energy, a car traveling at 40 mph or a half-as-massive car traveling at 80 mph?
a
-The 40 mph car
-The 80 mph car
-Both have the same kinetic energy
-Neither has kinetic energy

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Hưng Khoa 3 years 2021-07-22T15:39:53+00:00 1 Answers 15 views 0

Answers ( )

  1. thuhuong
    0
    2021-07-22T15:41:35+00:00
    Reply

    Answer:

    The 80 mph car

    Because the formula says 1/2 mass but for the velocity it is squared

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