Diane and Elsie are on the roof. If Elsie drops a ball from the top and it falls at a rate of 10m/s^2n and is falling for 6 seconds. What is the final velocity of the ball?

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.

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

What is the major limitation to the light microscope?