At what point will the currents that transfer heat throughout a gas cease to flow? a. when the substance changes state and becomes a liquid b. when the entire gas is a single temperature c. when the substance is very hot on top and cold beneath d. when the particles stop bumping into each other

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

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?

An artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is 6.03 m/s^2. determine the orbital period of the satellite.