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which statement best describes how the period and frequency of electromagnetic waves change between gamma rays and microwaves?
a) the period and the frequency stay the same.
b) the period increases and the frequency decreases.
c) the period decreases and the frequency increases.
d) the period increases and the frequency increases.

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?

The strong nuclear force acts over a small distance than the electrostatic force. true or false