Answer:
-1500 m/s2
Explanation:
So the ball velocity changes from 10m/s into the wall to -8m/s in a totally opposite direction within a time span of 0.012s. Then we can calculate the average acceleration of the ball as the change in velocity over a unit of time.
Answer:
The answer you have selected is correct.
Explanation:
Increase radius, force of gravity decreases
Answer:
The Peltier coefficient is a measure of the amount of heat carried by electrons or holes
Explanation:
Answer:
The set of frequencies of the electromagnetic Waves emitted by the atoms of an element is called emission spectrum.
Okay, 90% of this is nonsense besides the numbers maybe.
