Aperson runs a comb through long dry hair. when they are done their hair is sticking up from their head. which of the following describes why their hair is sticking up?

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?

Matter that emits no light at any wavelength is called

Which describes increasing the efficiency of energy resource