Answer:
No
Explanation:
20 billion light-years away are beyond our sight and perspective on Earth and wouldn't be observable in our universe.
No. Mechanical energy is not conserved. There's quite a bit of friction on the slide. So some of the potential energy is lost to heat on the way down, and the child arrives at the bottom with hot pants and less kinetic energy than you might expect.
The answer would be erin out of all of them thank me later :)
Answer:
magnitude of the velocity
Explanation:
Answer:
of the velocity of a full size plane in the air
