The park has added two more cars to the already existing roller coaster. If the park wants to maintain the speed of the roller c
2 answers:
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Hi! Let's see.
<h3><u>TOPIC: Kinetic Energy.</u></h3>Explanation:
Data:
- Mass(m) = 2.1 kilograms
- Speed(v) = 30 m/s
- Kinetic Energy(Ek) = ?
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Use the kinetic energy formula:
Replace by the data:
We multiply speed squared:
Multiply in the numerator, without forgetting the units:
Both numerator and denominador operations are divided:
Answer: The kinetic energy is <u>945 Joules.</u>
Cordially Alejanndraax. Greetings!