A sample of lead is heated up to a temperature of 100°C and then placed in a sample of water with an initial temperature of 5°C.

Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus