What is the power output of a man who is paddling a canoe with 340 J of work for 4 minutes straight? A.
1.42 x 10^0 W

B.
1.36 x 10^3 W

C.
8.50 x 10^1 W

D.
8.16 x 10^4 W

Motivation cannot be developed with practice; a person either possesses it or they do not.

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.