Timmy drops a ball off the roof of a building. it falls for 3 seconds before hitting the ground. How fast is it going before it hits the ground? How tall is the building?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

If y gets smaller as x gets bigger and y have an relationship?

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.