Light propagating in air strikes the surface of a lake. the reflected ray makes 62° angle with the normal. what angle does the refracted ray in the water makes with the normal. (hint: index of refraction for water 1.33) (a) 42° (b) 48° (c) 54° (d) 58°

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

The photo shows sugar dissolved into a solution with excess sugar at the bottom of the jar this type of solution is classified as a. unsaturated b. compound c. saturated d. plasma

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?