Answer:
90 degree hope it help :))
Answer: they have the same magnitude.
Explanation:
normal force = mg
weight = mg
False.
As temperature increases the more the electrons begin to vibrate more, as it decreases they vibrate less.
Answer:
In the order largest to smallest
Pc = Pb, Pa
Explanation:
Power = Energy expended/time
Pa = 2/2 = 1Watt
Pb = 10/5 = 2Watt
Pc = 2E-3/1E-3 = 2Watt