Well,
It really depends on thier temperature. But the answer is C) Heat would flow from both beakers.
The kind of heat necessary to transform sand into a liquid state (eventually becoming glass) is much hotter than any sunny day. To make sand melt, you need to heat it to roughly 1700°C (3090°F), which is approximately the same temperature a space shuttle reaches as it re-enters earth's atmosphere.
Answer: Light of frequency 5 x 1014 HZ liberates electrons with energy 2.3 x 10-19from a certain metallic surface.
Explanation:
Most objects move at a constant speed because of friction and acceleration. The constant speed keeps them in place, and keeps a balance.
