Forces and Newton's Law
Conservation of Energy
Conservation of Momentum
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When physicists talk about speed, they are concerned with how
fast an object is moving. The following formula is used to calculate
the average speed of a moving object.
In this problem we are given the following:
time = 2 hours
Plug the data into the given formula:
distance = 30 km
The distance the car travels is 30 km.
Plug the data into the formula:
Answer: It takes the car 12 hours to travel 300 km.