It was about 9:30 p.m. sorry if the answer is wrong
higher temp = higher energy = higher frequency = shorter wavelength
The law of energy conservation states that energy cannot be created or destroyed, so choices B to D are immediately invalid. Choice A can explain this occurrence: <u>A. Some of the energy is used to combat friction, and thus is transformed from mechanical energy to heat.</u>
Answer:
c yan alam konayan e good lock