Why is weight measured in newtons

Which gas is found in the greatest abundance in the modern atmosphere? A. Nitrogen B. Hydrogen C. Oxygen D. Helium

Which is the most accurate description of potassium (K) ? A. It is a metalloid. B. It is dull, brittle, and a poor conductor of electricity. C. It will tend to gain an electron in a chemical reaction. D.

Suppose your bathroom scale reads your mass as 60 kg, with a 4% uncertainty. what is the uncertainty in your mass in kilograms?

A real car is moving at 10 km/h has more momentum than a toy car moving at the same rate because?

When the 3.0 kg cylinder fell 500 m, the final temperature of the water was °C and the change in temperature was °C. When the 9.0 kg cylinder fell 500 m, the final temperature of the water was °C and the change in temperature was °C.

Photons travel outward from a light bulb in

The critical angle for a beam of light passing from water into air is 48.8°. this means that all light rays with an angle of incidence in the water that is greater than 48.8° will be

A basketball is filled with air and has a small hole. Explain why the basketball would leak.

Aligned magnetic domains are only present in which of the following? A) permanent magnets B) temporary magnets C) all magnetic material D) depends on the situation

How are magnetic poles and electrical charges similar