A ball is kicked at t = 0 s and its displacement after 3 seconds is 18 m in the forward direction. What is the average velocity?

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Multiple Choice

A ball is kicked at t = 0 s and its displacement after 3 seconds is 18 m in the forward direction. What is the average velocity?

Explanation:
The main idea is that average velocity equals total displacement divided by the time taken. Here, the ball ends up 18 m in the forward direction after 3 seconds, so the displacement is +18 m and the time is 3 s. Divide: 18 m / 3 s = 6 m/s, in the forward direction. That matches the description of 6 m/s forward. The other possibilities would imply either a different magnitude or the opposite direction, which doesn’t fit the given displacement and time.

The main idea is that average velocity equals total displacement divided by the time taken. Here, the ball ends up 18 m in the forward direction after 3 seconds, so the displacement is +18 m and the time is 3 s. Divide: 18 m / 3 s = 6 m/s, in the forward direction. That matches the description of 6 m/s forward. The other possibilities would imply either a different magnitude or the opposite direction, which doesn’t fit the given displacement and time.

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