At the gym a woman a Lifts 40 kg of weight on the leg press. It takes her a 0.5 seconds to raise the weights a vertical distance of 0.4 m. How much power does the woman generate when lifting the weights? 180 W
205 W
314 W
502 W

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

Which branches of natural science include the study of an organism that lived 10 million years ago

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.