Answer:
632.8 nm is the wavelength (in air) of red light from a helium neon laser.
Answer:
The two most common types of orbit are "geostationary" and "polar."
Answer:
You would hear a loud trumpet sound that can be heard from a large distance.
Explanation:
Q = heat energy , m=mass , c=specific heat , delta T= change in temperature
as you know heat is a form of energy which is <em>usually</em> measured in Joules according to the SI. and also we usually use kilograms for mass.
so you need to know the mass, specific heat, and change in temperature in order to find out the heat energy :)
