Which describes refraction

When can you apply the idea that momentum is constant to solve a problem? (a) When the system is isolated (b) When the system is not isolated but the time interval when the external forces are exerted is very small (c) When the external forces are

Girl merry go around length 2.50m angular dispalcement is 1.64rad. how far is she from the center of the marry go around?

Jose gets up from his seat on the bus to move closer to the front. Just as he begins to walk forward, the bus stops at a light. What is the best explanation of what happens to Jose?

Which of these forces are acting within a nucleus? Check all that apply.

If you throw a rock into a pond, it creates a wave in the water. what is responsible for creating an electromagnetic wave? hints

n open rectangular tank is filled to a depth of 2 m with water (density 1000 kg/m3). On top of the water there is a 1 m deep layer of gasoline (density 700 kg/m3). The width of the tank is 1 m (the direction perpendicular to the paper).

Is the sun considered a star?

If I get a spare in one frame and then roll a 1 and 5 in the next frame, what would my score for the spare be? A 10 B 11 C 16 D17

2x^2:3=dg solve for x

A 2.25-kg block is released from rest on a ramp of height h. when the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 15.