An airplane travels 3,280 kilometers in 4.0 hours. what is the airplane’s average speed?

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?

Determine the maximum r-value of the polar equation r =3+3 cos 0

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island