A string is stretched between two fixed supports. At the frequency 0.40 kHz, the string oscillates as shown in the figure. Determine the propagation speed of transverse waves in the string.

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.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.