Answer:
It does not hit the students face because the speed of the balloon slows down as energy is lost through thermal.
Explanation:
Answer:
Making a quick cut left to intercept a pass
Explanation:
It takes more energe to do than running
Without an external agent doing work, heat will always flow from a hotter to a cooler object. Two objects of different temperature always interact. There are three different ways for heat to flow from one object to another. They are conduction, convection, and radiation.
Answer:
4000 km
Explanation:
as we know velocity of electromagnetic wave is c
frequency given (f) = 76 Hz
wavelength ?
using
λ
λ = 
λ = 
≈4000 km
so final answer λ = 4000km
