Question11 the moon has a diameter of 348 106 m and is a

Reference no: EM13349938

Question1

1. The moon has a diameter of 3.48 106 m and is a distance of 3.85 108 m from the earth. The sun has a diameter of 1.39 109 m and is 1.50 1011 m from the earth.

(a) Establish (in radians) angles subtended by the moon and the sun, as measured by a person standing on the earth.

(b) Based on your answers to part (a), decide if a total eclipse of the sun is really “total.” Give proper reasoning.

(c) Find out the ratio, expressed as a percentage, of the apparent circular area of the moon to the apparent circular area of sun.

2. A particle of mass m and charge q moves in a circular path in a magnetic field

B. explain that its kinetic energy is proportional to r 2, the square of the radius of curvature of its path.

3. Prove that the angular momentum of particle is L = qBr 2 about the center of the circle.

Reference no: EM13349938

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