You are on earth, and have an object with a mass of 7 kg. with how much force does the earth's gravity pull the object downward?

1 m3 of saturated liquid water at 200°C is expanded isothermally in a closed system until its quality is 80 percent. Determine the total work produced by this expansion, in kJ

Which colors will eject electrons when they strike sodium, which has a frequency threshold of 5.7 * 1014 Hz?

This is for Criminal Law: Jerry walks up to Jill, a former girlfriend, and tells her, "Tomorrow when I get my paycheck, I'm going to buy a gun and kill you." Jill immediately gets a gun out of her car and kills Jerry.

A flywheel turns through 28 rev as it slows from an angular speed of 5.4 rad/s to a stop. (a) Assuming a constant angular acceleration, find the time for it to come to rest.

How was dyslexia treated in the past and how is dyslexia treated today?

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

Explain the difference between balanced forces and action and reaction forces.

Describe and apply Newton's Three Laws

If you do 1000j of work on a system and remove 500j of heat from it, what is the change in its internal energy

Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 4.5 m long, its mass is 0.42 kg, and the force exerted on it by the children is 71 N.