The energy would be transferred from the objects. Also do not forget, add direction to your answer.
The functions of angles are used to find unknown lengths or angles that can't be measured, in terms of known quantities. The trig functions of angles are ratios of lengths, so they're bare naked numbers without units.
If the corner is rounded and is perfectly circular, then the acceleration is centripetal and is always directed toward the center.
It's Photoelectric Effect, I just a test with this same question. I am not good for explaining exactly how, but I was right.
