3students push the teacher’s desk down the hallway. While they pushed 2 other students tried to stop them and pushed the desk back the other way. The force of the 1st 3 students way 40N and the force of the 2 other students was 45N. Calculate the Net force.

Asher cycles 12 miles in 16 hours. what is his speed?

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.