Find the critical angle of a medium having its refractive index to be 1.330

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Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?

What should the power status of a circuit be when measuring resistance with an ohmmeter?

The least penetrating form of radiation is