Describe the series of events that occurs when you place a call from a cordless telephone.?

In what direction does the medium move relative to the direction of the wave? explain.

Write the correct abbreviation for each metric unit

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.