A student at the top of a building of height h throws ball 1 upward with a speed of vi and then throws ball 2 downward with the same initial speed, vi. How does the final speed of ball 1, v1f, compare
I need to come up with pictures of physics in everyday life in my AP physics class :)
Any ides/ help?
For example: circuits, Newtons Laws, uniform circular motion, energy, force, waves, etc.
I also ne
It depends on where you are interested in knowing the planets gravity
Remember, gravitational field is a LOCAL function.
Here on the surface, the atmosphere doesnt contribute to the gravity of Eart
yea i did this prac...ive got all my equipotential lines for the non uniform field and now i dont know how to the draw the elctric field lines...yes.. i know at 90 degrees.
top plate is positive and
I might be mistaken. I thought he sad a single light wave could be thought of as an infinite number of rays and propergates through space as a wave.-This is not what most people would interpret as the
A spotlight sends red light (wavelength = 694.3 nm) to the moon. At the surface of the moon, which is 3.77 108 m away, the light strikes a reflector left there by astronauts. The reflected light retur
hi,
does each stage (capacitor and diode) in a voltage multiplier double the voltage?
if the supply voltage is 25kv, i think each stage adds another 25kv, so after 4 stages, its 100kv, but im just ma
We had this question in physics class, and there are two formulas that would seem to fit the data given.
P=IV, and
V=IR
Where P is power, I is current, V is voltage, and R is resistance.
I asked the t
A high diver jumps vertically upward at 5 m/s.The diving board is 10 m above the water.How long after jumping does he hit the water?Use 10 m/s-squared for g.-(2 x 5)/10 = 1 secs
v^2 = u^2 + 2gs = 5^2
A steel ball of mass 8.2+/-0.2g has a radius of 6.3+/-0.1mm. The density of the ball is found to be 7.8gcm^-3. What is the uncertainty in the density in gcm^-3?
Ifyou could please show some working a
I missed these two questions on my last test and would like to know how to do them.(Final next week)
5 boys, each of mass 40kg, are riding on the edge of a merry-go-round (I=(1/2)MR^2) with an angula
The box is exerting about 175 lb of force, and in the direction from the center of the earth towards the box. In fact the earth is accelerating towards the box, but the amount is too small to detect.
Could someone please explain the difference between alpha, beta, and gamma radiation?Ill be quick to award BA, thanks in advance for any help.-Hello there! :)
Alpha:
Are fast moving helium nucleus,
Im stuck on a science question from a past paper
A cyclist travelling along a straight level road accelerates at 1.2m/s^2 for 5 seconds. The mass of the cyclist and the bicycle is 80kg.
Calculate the
Last year when i was in my bathroom after I finished my business, I decided to weigh myself. To my surprise I weighed less than what I did just a few minutes before. I could not believe my eyes when t
