The hall effect can be used to calculate the charge-carrier number density in a conductor. if a
conductor carrying a current of 2.0 a is 0.5 mm thick, and the hall effect voltage is 4.5 µv when
it is in a uniform magnetic field of 1.2 t, what is the density of charge carriers in the conductor

You throw a baseball directly upward at time t = 0 at an initial speed of 12.3 m/s. what is the maximum height the ball reaches above where it leaves your hand? at what times does the ball pass through half the maximum height? ignore air resistance and take g = 9.80 m/s2.

Sound is a disturbance that travels through a medium as a

We will use a video to study faraday’s law of electromagnetic induction by analyzing the induction that occurs due a coil of copper wire sliding along an air track that passes through an external magnetic field. specifically, we will: examine some of the main principles behind faraday’s law. apply lenz’s law to determine the direction of the induced emf. take measurements of the induced emf from the voltmeter as the coil passes into and out of the external magnetic field. use the horizontal scale provided to determine the speed of the coil. calculate the magnetic field induced in the coil as it passes into and out of the external magnetic field.