Standard Science Primary 6 Energy

Which factor(s) affect the amount of kinetic energy a moving car has?

A Its speed only.
B Its height above the ground.
C Its mass only.
D Both its mass and its speed.
Show Worked Solution

Worked Solution

Step 1: Define kinetic energy as the energy of a moving object. Step 2: Recall the variables. Kinetic energy increases as mass increases and as speed increases. Step 3: Therefore, both factors are required.

Correct answer: Both its mass and its speed.

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