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A child pushes a toy car down a hill. The child has a mass of 20 kg. The car has a mass of 1.6 kg and a speed of 7.4 m/s2. When the car has a gravitational potential energy of 30 J, what is the mechanical
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A child pushes a toy car down a hill. The child has a mass of 20 kg. The car has a mass of 1.6 kg and a speed of 7.4 m/s2. When the car has a gravitational potential energy of 30 J, what is the mechanical energy of the car?

User Nina Lisitsinskaya
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Answer:

The answer is 73.8 J

Step-by-step explanation:

User BMon
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