Two mirrors are arranged as shown in the drawing (left, belo…
Two mirrors are arranged as shown in the drawing (left, below). Light is incident from the right on the first mirror at an angle of 70°. The light reflects toward the second mirror and is reflected at angle θ. Determine the angle θ.
Read DetailsA small bird of mass m is sitting on a perch of mass 7 g, wh…
A small bird of mass m is sitting on a perch of mass 7 g, which is supported by a magnetic force. The perch is 10 cm long and contains a wire carrying a current of 2.0 A. The perch is oriented at right angles to a uniform magnetic field of 0.9 T that is strong enough to support the perch and the bird. What is the mass of the bird?
Read DetailsA juicer has a rectangular coil of dimension [W] m by [L] m….
A juicer has a rectangular coil of dimension [W] m by [L] m. The coil is oriented such that its surface makes an angle of 30 degrees with the electric field. The strength of the field is [E] N/C. Find the electric flux in N.m2/C passing through the coil. [Round off to the whole number]
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