A box is push across the floor for a distance of 5 meter wit the force of 50 Newtos in 5second A. how much work is done? B. what is the power?

When you rub your hand together, you produce a little heat. describe the flow of energy that causes the heat to be produced. use terms chemical energy, kinetic

Is a fan a complex machine

How do you explain the fact that sometimes less work is done in a situation in which more force is used than in a situatio in which less force is used

Explain why elements in the same family have similar physical and chemical properties

What are the negative aspects of using nuclear energy? Select all that apply. - It creates solid radioactive waste that has to be stored safely over the long term - Produces a great deal of air pollution - Risk of danger at reactor sites - Adds

What is a device made by joining two different materials to form a circuit that produces an electric current? a. convertor b. resistor c. semiconductor d. thermocouple

An elevator weighing 15000 newtons s raised in 50 seconds. If the distance between stories is 3.0 meters how much power is required of the motor?

Given the diamond shape of a baseball field and the speed with which baseballs are hit, why is it harder for a hitter to hit a homerun to center field than to right or left field? (Consider the effect of air drag on fast moving projectiles.)

What is the arrangement of the forms of electromagnetic radiation according to their wavelengths?

A helium atom consists of two protons, two electrons, and two neutrons. In the helium atom, the strong force is a fundamental interaction between the (1) electrons, only (2) electrons and protons (3) neutrons and electrons (4) neutrons and protons