A concave mirror forms an image on a screen twice as large as an object. Both object and mirror are then moved such that the new image is 3x the size of the object. If the screen is moved 75cm, how far did the object move?
m = image distance / object...
Two 2.04 µC point charges are located on the x axis. One is at x = 1.02 m, and the other is at x = -1.02 m. Determine the electric field on the y axis at y = 0.470 m.
E = k*q/r^2
The Attempt at a Solution
First I find the distance from one...
A mass M is attached to a spring with spring constant K. At the equilibrium point of the spring, the mass has a velocity of V.
M = 8.07 kg
K = 113 N/m
V_o = 0.638 m/s
How far does the mass travel until it stops? How long (in seconds) does it take for the mass to travel from...
When I did this in grade 1, I used a 2L pop bottle (one of these: http://www.caymanshoppers.com/images/diet%20sprite%202L.jpg - image found through google), cut off the bottom, filled it with foam sponges, stuck the egg in the middle and added more foam sponges. We couldn't get the egg to break...
A target is suspended on a platform. A dart launcher is placed at ground level and aimed directly at the target along the line of sight (the distance between dart and target can vary infinitely). Assume a bottomless pit below the target. The dart is launched, and regardless of speed, it will hit...