Forces, Motion, & Speed (6.8B, C & D): Question 3 A student runs two times around a running path at a local park. Each
lap is 3 km. The student completes the first lap in 20 minutes. The
student then sits on a bench and rests for 5 minutes before completing
the second lap in 25 minutes. Which graph best represents the
student's motion?

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.