A 0.10 kg piece of copper, initially at 95 °C, is dropped into 0.20 kg of water contained in a 0.28-kg aluminum calorimeter; the water and calorimeter are initially at 15 °C. What is the final temperature of the system?

Determine the maximum r-value of the polar equation r =3+3 cos 0

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

The strong nuclear force acts over a small distance than the electrostatic force. true or false