A box is pushed 40 m by a mover. the amount of work done was 2,240 J. How much force was exerted on the box

Why does the surface of the sun appear to have a sharp edge?

What two factors does potential energy depend on?

What is the difference between speed and velocity? A. velocity describes speed with direction. B. velocity describes direction with position. C. velocity is used in space; speed is used on earth D. there is no difference.

A high-speed sander has a disk of radius 4.71 cm that rotates about its axis at a constant rate of 1547 rev/min. Determine the angular speed of the disk. Answer in units of rad/s.

Write the device modeling equation for the first and second law of thermodynamics

Are you willing to do a project?

The first stage in the GAS model of stress is a. analyzing a stressor b. adaptation c. resistance d. alarm and mobilization

You drop a rock down a well that is 31 m deep. How long does it take the rock to hit the bottom of the well?

the power in an electrical circuit is given by the equation p=lr, where l is the current flowing through the circuit and r is the resistance of the circuit. what is the power in a circuit that has a current of 12 amps and a resistance of 100 ohms?

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