Answer:
They conducted it from earth
Explanation:
There had never been anything capable of observing it from space launched at that time because Sputnik wasn't even launched
Answer:
An object at position A. has all potential energy
An object at position B. has about half potential and half kinetic energy
An object at position C. has all kinetic energy
Explanation:
I already did it and got all of them correct. I hope this helped!! :)
That they are random, constant, and straight -line motion.
