Answer:
NO
Explanation:
No, a machine cannot be 100% efficient. This is due to the movement of the moving parts siding against each other and causing friction. This friction is the one that creates heat and causes wear and tear between moving ports f the machine hence making the machine to decrease in efficiency with time
easy, The fuel is ignited
Ehh, Earth rotates around its axis and Earth revolves around the sun as it travels through space.
Answer:
n = 19
Explanation:
= Wavelength of the light absorbed = 91.65 nm = 91.65 x 10⁻⁹ m
= nth level = n
= 1
Using conservation of energy
