Awave has a wavelength of 45 meters and a period of 9.0 seconds. what is the frequency of the wave? 5.0 m/s 405 hz 5.0 hz 0.11 hz

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.

An electron moving at 5.06 103 m/s in a 1.23 t magnetic field experiences a magnetic force of 1.40 10-16 n. what angle does the velocity of the electron make with the magnetic field? there are two answers between 0° and 180°. (enter your answers from smallest to largest.)