The maximum amount of pulling force a truck can apply when driving on concrete is 8760 N. If the coefficient of static friction between a trailer and
concrete is 0.8, what is the heaviest that the trailer can be and still be pulled
by the truck?
A. 10,950 N
B. 7240 N
C. 12,680 N
D. 8760 N

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

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.

What happens when you slowly pulled the carboard?