A person pulls a cart with a force of 10n a distance of 8m how much work is done on this cart

The specific heat of copper is 0.385 J/g·°C. What equation would you use to calculate the amount of heat needed to raise the temperature of 0.90 g of copper from 9°C to 26°C?

Wire A has resistance of 3.0 Ω. Wire B has resistance of 2.5 Ω. Both wires have the same current. Which wire has greater voltage

Three resistors having the same resistance value are wired in parallel. How does the equivalent resistance compare to the resistance value of a single resistor?

Larry drops a 5kg ball off of a building. The ball hits the ground 4.7s later. How tall is the building?

Daniel Levinson found that men and women A. Go through the same stages of development B. Differ in terms of their social roles and identities C. Deal with the development tasks in each stage differently D. All of the above

Why does an object's mass and speed cause it to have kinetic energy?

Eratosthenes used what object to determine the size of Earth? A) Pyramids in Giza, B) Tower in Babel, C) Sphinx in Alezandria, D) Well in Alexandria

A major process by which the Sun's energy is transported around the Earth system?

Charge 1 is - 30 μC, charge 2 is 5 μC, the distance between the charges is 8 cm, and they are located in a vacuum. If the third charge of 3 μC would be placed into position B, i. e.

For water vapor to turn back i to a liquid what do you do to it's temperature