Calculate the velocity of a car that travelled 120km in 2 hours

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? )

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87