Standard Science Primary 6 Energy

A ball is dropped from a height. At which point does the ball have the GREATEST amount of kinetic energy?

A Just before it hits the ground
B After it has bounced back to its highest point
C Just before it is released
D Halfway through the fall
Show Worked Solution

Worked Solution

Step 1: As the ball falls, gravitational potential energy is converted into kinetic energy. Step 2: The further it falls, the more potential energy is converted. Step 3: Maximum conversion (and thus maximum speed) occurs just before impact.

Correct answer: Just before it hits the ground

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