2. Do you think people used energy before modern times? Why or why not? 3. How well do you think you understand energy? Use the scale below to rate how wel
understand energy (check one).

Which lists the organs in the correct order as food passes from the mouth to anus?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?