Natalia lifts a bag of groceries 0.50 m by exerting a force of 36 n. how much work did she do on the bag?

The diagram shows a person using a piece of gym equipment to lift weight which best describe the body in terms of simple machine

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?