Question

Tara rode her bike very slowly to the top of a big hill. Then she coasted back down the hill at a much faster speed. The distance from the bottom to the top of the hill is 3 kilometers. It took Terri 15 minutes to make the round trip. What was her average speed for the entire trip? Show your calculation.
Is speed a vector? Why or why not?

Answer 1

Answer:

Speed=45

Explanation:

distance×time=speed