A backpack weighs 8.2 N and has a mass of five KG on the moon. What is the strength of gravity on the moon?

Which term best describes the phrase “something that happens”?

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

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.