In the diagram, q1 = -2.00 x 10-5 C, q2 = +3.80 x 10-6 C, and q3 +5.30 x 10-5 C. What is the electric potential energy Ve for
charge q2? Include the correct sign (+ or -).
q1
q2
q3
1.15 m -
2.88 m

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.

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?