Question 93

A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?

Solution

Average speed= $$\frac{1800}{5}\ \frac{km}{h}=\frac{1800\times1000}{5\times3600}\ \frac{m}{\sec}=100\ \frac{m}{\sec}\ .$$

D is correct choice.

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