Anna was usually quiet and shy at home with her six brothers and sisters, so her mom was surprised when her teacher described her as outgoing and chatty at school. The best possible explanation for the difference in behavior is . trait perspective trait expression personality type personality abnormality

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 metric unit of electrical power is the watt volt ampere ohm

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.