Energy is dissipated from a rollercoaster cart as it mo es along the track. What forms of energy does the mechanical energy transform into? Identify
two examples of energy transformation. What obser ations would you
make that would indicate this transformation took place?

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?

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

Which accurately compares concave and convex lenses?