A 320 Hz tuning fork will produce a wave of what wavelength in air at 20 C traveling at 343 m/s?
1- 16m
2- 0.93m
3- 109,760m
4- 1.07m

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)