Multiple choice

A body starts moving at time t = 0 s and covers a distance of 10 m by time t = 15 s. The average speed of the body is _______.

  1. 0.23 m/s

  2. 2.15 m/s

  3. 0.67 m/s

  4. 1.22 m/s
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C Correct answer
Explanation

Average speed is calculated as total distance divided by total time. Here, 10 m / 15 s = 2/3 m/s, which is approximately 0.67 m/s.

AI explanation

Using the formula for average speed which is total distance divided by total time, we divide the distance of 10 m by the time of 15 s. This gives 10 divided by 15 which equals 0.666 repeating m/s. The result is 0.67 m/s.

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