The gravitational potential energy:
E p = m x g x h
where m is the mass and h is the height;
m = 50 kg, g = 9.81 m/s² , h = 40 m
E p = 50 kg x 9.81 m/s² x 40 m
Answer:
E p = 19,620 J = 19.62 kJ
Answer:
Each type of electromagnetic radiation have been matched to their descriptions as follows:
Ultraviolet light A) Given off by very hot objects, such as the sun
Gamma rays B) Given off by radioactive substances
Microwaves C) Used in radar and to heat food
X‒rays D) Used in the medical field to see bone structure
Explanation:
PLS GIVE BRAINLEST
Answer:
does this even make sense
Explanation:
Energy resources that cannot be replaced are called "non-renewable" energy resources.
sorry Idk the answer ..???