Average Velocity=Total Distance/Total Time

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Answer: THE ANSWER IS C!
The total energy of a system can decrease only if energy leaves the system.
Explanation: Apex!
Answer:
no
Explanation:
because if you test it they hit the ground at the same time.
Answer:
6.1 x 10^-8 newtons
Explanation:
F = 8.98 *109 *1*1/3845000002
Answer:
if I aint wrong it would 2nd one