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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 -N…

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 -N…
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1 vote
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

asked
User Tero Tolonen
by
8.2k points

1 Answer

4 votes

Answer:

The 80 mph car

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

answered
User Slowhand
by
8.3k points
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