When you eat food, your body takes chemical energy. what kind of energy does this chemical energy convert to when you are lifting weighs?

Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine

What is the speed vfinal of the electron when it is 10.0 cm from charge 1?