Awave has a frequency of 270 hz and a wavelength of 60 m. what is the speed of the wave?
a. 0.022 m/s
b. 0.00062 m/s
c. 45 m/s
d. 1600 m/s

Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?

The statue of liberty is 305.5 feet high. when the angle of elevation of the sun is 50 , what is the distance to the tip of the shadow from a point at water level and directly below the highest point of the statue?

How is the ideal mechanical advantage of a wheel and axle calculated?