## A polar beer runs at a speed of 11m/s With 23,000 J of kinetic energy. What is a polar bear mass?

Question

A polar beer runs at a speed of 11m/s With 23,000 J of kinetic energy. What is a polar bear mass?

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1 year 2021-08-01T22:41:43+00:00 1 Answers 30 views 0

Mass of the polar beer is 380.2 kg

Explanation:

As we know that kinetic energy is given as

$$K = \frac{1}{2}mv^2$$

now we know that

$$K = 23000 J$$

also we know that the speed of the beer is 11 m/s

now we have

$$23000 = \frac{1}{2}m(11^2)$$

$$m = 380.2 kg$$