A farmer lifts a bale of hay to a hayloft that is 11m off the ground . If he uses a force of 280 N , how much work does the farmer do ?

How is the gravitational force related to the distance between two objects?

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?

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