Question

TASK 1: Downhill RacerA snowboardertravels 105 metersin 7 secondsA skier travels for4 seconds andcovers 72 meters.Who is faster, the snowboarder or the skier? Explain how you know who is faster.

Answer 1

The speed of skier is,

`\begin{gathered} S_(sk)=(72m)/(4s) \\ =(18m)/(s) \end{gathered}`

The speed of the snowboarder is,

`\begin{gathered} S_(sn)=(105m)/(7s) \\ =(15m)/(s) \end{gathered}`

Thus, the skier is faster.