Olivia noticed that it took 2s for a wave to pass by where she was swimming. what property of a wave did she measure?

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.

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging