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Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?

If the wavelength is tripled, while the speed of the wave is held constant, what happens to the frequency?

A70 kg person standing in an elevator is accelerated upwards at a rate of 2.5 m/s2. what is the force of the elevator on the person? 770 n 250 n 875 n -525 n