Which of the following describes the transformation of chemical energy to heat energy? A. plugging in a blow dryer
B. making toast in a toaster
C. a rock hitting the ground
D. wood burning in a fireplace

1-10. need . physics. circular motion. 35 points

Acurve connects the data points that are plotted. (physical science chapter 11 motion)

Ahorizontal wire is tied to supports at each end and vibrates in its second-overtone standing wave. the tension in the wire is 5.00 n, and the node-to-node distance in the standing wave is 6.28 cm. (a) what is the length of the wire? (b) a point at an anti- node of the standing wave on the wire travels from its maximum upward displacement to its maximum downward displacement in 8.40 ms. what is the wire's mass?