Fill in the blanks to complete the statements.
A paper plane moving through the air experiences air
Frictional forces acting on an object are often converted into
of the object to rise slightly.
energy, which causes the temperature

Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.

Distinguish between linear momentum and angular momentum

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction