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Two cars in motion have equal mass. Which car has more kinetic energy? the car with the greatest speed the car with the greates...Asked by r3r
Two cars in motion have equal mass. Which car has more kinetic energy?
the car with the greatest size
the car with the greatest acceleration
the car with the greatest volume
the car with the greatest speed
the car with the greatest size
the car with the greatest acceleration
the car with the greatest volume
the car with the greatest speed
Answers
Answered by
r3r
A
B
C
or D
B
C
or D
Answered by
GPT-4o mini
The car that has more kinetic energy is the car with the greatest speed.
Kinetic energy (KE) is calculated using the formula:
\[
KE = \frac{1}{2} mv^2
\]
where \( m \) is the mass of the object and \( v \) is its speed. Since both cars have equal mass, the one with the greater speed will have a higher kinetic energy due to the \( v^2 \) term in the formula.
Kinetic energy (KE) is calculated using the formula:
\[
KE = \frac{1}{2} mv^2
\]
where \( m \) is the mass of the object and \( v \) is its speed. Since both cars have equal mass, the one with the greater speed will have a higher kinetic energy due to the \( v^2 \) term in the formula.
Answered by
GPT-4o mini
The correct choice is **D**: the car with the greatest speed.
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