Answer: Yes
Explanation:
does hot air rise
er substances, expands when heated and contracts when cooled. Because there is more space between the molecules, the air is less dense than the surrounding matter and the hot air floats upward. This is the concept used in the hot air balloons.
Answer:

Explanation:
From the question we are told that
Diameter of the cylinder 
Length of the cylinder 
Surface temperature of cylinder 
Speed of air 
Temperature of air 
Generally the equation for Reynolds number is mathematically given by

where



Generally the equation for Nusselt number is mathematically given by

where
Prandtl number




Generally the equation for convective heat transfer is mathematically given by

where



Generally the equation for surface area of a cylinder is mathematically given by



Generally the equation for convective heat transfer is mathematically given by



Answer:
divide the velocity of the wave by the wavelength. Write your answer in Hertz, or Hz, which is the unit for frequency. If you need to calculate the frequency from the time it takes to complete a wave cycle, or T, the frequency will be the inverse of the time, or 1 divided by T.
Explanation:
Answer:
no Jake arm is high so the weight of an object become high due to potential energy.
so, option A is correct ) Jake did more work