What is a step up transformer

Which physical property of iron made it popular for use in weapons? 1. Magnetism 2. Luster 3. Malleability 4. Ductility

Can you list and summarize Kepler's 3 laws that govern the motion of planets?

The pressure inside a container of gas increases if more gas is added to the container because

Which statement accurately classifies helium? A. it is an atom B. It is a mixture C. It is a molecule D. It is a compound

An astronaunt in a space capsule orbiting the earth experience weightlessness. why?

An electric force exists between which pair of objects? Check all that apply. a neutral object and a negative object two negative objects a neutral object and a positive object two positive objects a negative object and a positive object two neutral

What causes the acceleration to increase or decrease?

a glass rod obtains a positive chartge from being rubbed by silk. Is this due to the glass gaining protons, or losing electrons?

A calorimeter contains 195 g of water at 20.4 º C. A 37.8 g sample of an unknown metal is heated to 133 º C and placed into the water in the calorimeter. The final temperature of the metal and the water are 24.6 º C.

What is the acceleration of a 1000kg car subject to a 550N net force?