A train is speeding down a railroad track at the speed of 50 miles per hour. From whose reference point is the train not moving?
1 answer:
A: a person sitting on a train
Hence person could have a meal and not get food all over them.
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From one object's center of gravity to the other's
U is correct on the first one
Answer:
the answer is static electricity
Answer:
D
Explanation:
The wrecking ball transfers kinetic energy to the wall.
