Explanation:
B. leads to muscle strain.
D. The red car is moving faster than the blue car
Answer:

Explanation:
A body has acceleration when there is a change in the velocity vector, either in magnitude or direction. In this case we only have a change in magnitude. The average acceleration represents the speed variation that takes place in a given time interval.
a)

b)

Answer: 3 square feet
Explanation: I took the test
Answer:
B . energy cannot be created or destroyed