Question

A polar bear starts at the north pole. It travels 1 km south, then 1 km east, then 1 km north to return to its starting point. This trip takes 0. 5 h. What was the bear’s average velocity?.

Answer 1

The average velocity of the polar bear is 2 km/h.

What is average velocity?

The average velocity of an object is the ratio of the total displacement of the object to the time of motion of the object.

Average velocity of the polar bear

The average velocity of the polar bear is calculated as follows;

$v = \frac{x_2 - x_1}{t} \\\\v = \frac{1 \ km}{0.5 \ h} \\\\v = 2 \ km/h$

Thus, the average velocity of the polar bear is 2 km/h.

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