2. The motion of roller coasters depends upon the conversion of potential
and kinetic energy. A 200 kg car starts from rest at the top of a hill with a
height of 30 m.
Which of the following is this car's kinetic energy at the bottom of the hill?

Question

02-03-2021
Physics

Answered

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2. The motion of roller coasters depends upon the conversion of potential
and kinetic energy. A 200 kg car starts from rest at the top of a hill with a
height of 30 m.
Which of the following is this car's kinetic energy at the bottom of the hill?

Sagot :

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aninwab aninwab · Answer 1 · 2021-03-02T19:54:20-05:00

aninwab aninwab

02-03-2021

Answer:

58,800 Joules

Explanation:

I used the formula for Potential energy which is PE = mgh

200 kg x 9.8 m/s^2 x 30 m = 58,800 J

At the very tops of the rollercoaster is maximum PE which is 58,800 J and 0 J of KE, but at the very bottom is maximum KE (kinetic energy) which is 58,800 Joules but 0 J of PE. This is because energy can not be destroyed ONLY converted

Answer Link

2. The motion of roller coasters depends upon the conversion of potential and kinetic energy. A 200 kg car starts from rest at the top of a hill with a height of 30 m. Which of the following is this car's kinetic energy at the bottom of the hill?

Sagot :

Other Questions

2. The motion of roller coasters depends upon the conversion of potential
and kinetic energy. A 200 kg car starts from rest at the top of a hill with a
height of 30 m.
Which of the following is this car's kinetic energy at the bottom of the hill?