They require a medium to travel through
Answer:
6.93 km/h
Explanation:
To calculate her average speed, we need the "speed" formula, which is:
average speed = distance / time
You plug in your numbers and it will give you the answer.
Speed = 4.5km/0.65hr
= 6.923 km/h
Answer:
The formula for calculating force is F= Mass × Acceleration
Explanation:
Newton is what force is measured in

Explanation:
Given:


The cross product
is given by


