Which is an example of gaining a static charge by conduction?
A)
Rubbing a balloon against your hair.
Light
2:00
Tools
Shuffling your shoes across a carpet.
o
Bringing a charged rod near an electroscope.
Touching your car on a cold day and getting a shock.

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?

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?