Question

An Olympic skier glides down a hill, inclined at 25° to the horizontal, at 18 m/s.

How long did it take for her to ski 800 m to the bottom of the hill?

44.4 s

10.5 s

4.0 s

1.6 s

Answer 1

Divide total meters by meters per second:

800 m / 18 m/s = 44.4 seconds

Answer: 44.4