# How would changing the initial height above the ground affect the total energy of the system?

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The total energy of the system isn't affected by the initial height above the ground because the total energy is the sum of the potential and kinetic energy. The potential energy isn't affected by the height because it is a constant (98J) and the only thing that changes is the velocity of the ball.
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A ball dropped from a height of one metre will have a larger total energy than a ball dropped from a height of one hundred metres.
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The initial height of the ball in the air will affect its total energy. If the initial height is greater, the ball will travel a greater distance before it stops, so the total energy will be greater.
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The initial height of the ball and the height of the platform are the same. This means the total energy of the system before the ball hits the platform is the same as the total energy of the system after it hits the platform.
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Let’s look at how changing the initial height above the ground affects the total energy of the system. If the initial height is small, then air resistance will be small but the gravitational force will be large. If the initial height is large, then air resistance will be large but the gravitational force will be small.

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