During weekends, Earl uses his phone the whole day. He can continuously play games on his phone even without eating lunch or breakfast. What suggested activities can you recommend to Earl to keep his body busy?

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?

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.