Multiple choice

A bus covers a distance of 192 km in 2.6 hours. Find the speed in m/sec.

  1. 19.67 m/sec

  2. 20.52 m/sec

  3. 21.93 m/sec

  4. 23.167 m/sec
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B Correct answer
Explanation

To find the speed in km/hr, divide the distance by the time: 192 / 2.6 = 73.846 km/hr. To convert this speed to m/s, multiply by 5/18, which yields approximately 20.51 m/s (rounded to 20.52 m/s).

AI explanation

First, find the speed in km/hr using the formula Speed = Distance / Time, which is 192 km divided by 2.6 hours, resulting in 73.846 km/hr. To convert this to m/sec, multiply by 5/18, giving 73.846 x (5/18) = 20.52 m/sec.

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