Light having a wavelength of 450 nm (4.50 x 10-7 m) moves through space at
3.0 x 108 m/s. What is the frequency of the light?

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.

In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?