2. How much energy is needed to raise the temperature of 2 kg of copper from 0°C to 10°C. The specific heat capacity of copper is 380 J/kg° C.

Which term best describes the phrase “something that happens”?

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.