A ray of light traveling in air makes a 63.0° angle with respect to the normal of the surface of a liquid. It travels in the liquid at a 39.2° angle with respect to the normal
Find the critical angle for total internal reflection for this interface.
45.2°
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A frictionless simple pendulum on Earth has a period of 1.75 s. On Planet X its period is 2.14 s. What is the acceleration due to gravity on Planet X?
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A particle (charge = 40 ?C) moves directly toward a second particle (charge = 80 ?C) which is held in a fixed position. At an instant when the distance between the two particles is 2.0 m, the kinetic energy of the moving particle is 16 J. Determine the distance separating the two particles when the moving particle is momentarily stopped
a. 0.75 m b. 0.84 m c. 0.95 m d. 0.68 m e. 0.56 m