The gravitational potential energy of the roller-coaster at point A and B respectively 11870.10 Joule and 5935.05 Joule.
<h3 /><h3>What is gravitational potential energy?</h3>
The energy that an item has or acquires when its location changes as a result of being in a gravitational field is known as gravitational potential energy. Gravitational potential energy can be defined as an energy that has a connection to gravitational force or gravity.
According to the question:
Mass of the rollercoaster: m = 55 kg.
Height of point A: h =22.0 m.
Height of point B: h/2 = 22.0/2 m = 11.0 m.
Height of point C = 0.
Taking, acceleration due to gravity: g = 9.81 m/s² we get:
The gravitational potential energy of the car at point A:
E₁ = mgh = 55 kg × 9.81 m/s² × 22.0 m = 11870.10 Joule.
The gravitational potential energy of the car at point B:
E₂ = mgh/2 = 55 kg × 9.81 m/s² × 11.0 m = 5935.05 Joule.
Hence, gravitational potential energy of the car at point A and B respectively 11870.10 Joule and 5935.05 Joule.
Learn more about gravitational potential energy here:
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