To get a sofa moving which type of friction do you need to overcome? question 2 options: static sliding rolling

Which transition by an electron will release the greatest amount of energy? oa ob oc od

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.

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up