One
Givens
- v = 8.5 km/s = 8500 m/s
- R = 25 cm = 0.25 m
- B = 5.29 * 10^-3
- q = 1.6*10^-19
- m = ??
Formula
m*v^2/ R = qvB Cancel 1 v on each side.
m*v / R = q*B
which for m when transposed is
m = q*B*R/v
m = 1.6*10^-19 * 5.29*10^-3 * 0.25 / 8500
m = 2.49 * 10^-26
Answer: A
Two
Givens
- B = 0.5 T
- q = 1.6 * 10^ -19
- v = ??
- m = 3.34 * 10^-27
- R = 55.6 cm = 0.556 m
Formula
qvB = mv^2/R Cancel one of the "v"s
qB = mv/R
qBR / m = v
Solution
1.6*10^-19 * 0.5 T * 0.556 m / 3.34 * 10^-27
13317365 = v
1.33 * 10^7 = v
Black holes and images of x-rays
I understand the struggle. Here's a way to do it.
Identify Newton's Three Laws, and let it be important that you understand what you're reading. If there's a passage, read the passage/text and look for any important detail you should add to your piece, and add any information you have learned from the passage/text and put it into your own words. You should make sure that the information you've written down is consistent with the passage/text and that your phrasing is not too close to the original.
-I anticipate that this would help you.
A volcano erupts quietly if it's magma is low on silica. Low silica magma will be very thin, runny, and will flow easily, so the gases in the magma will bubble out gently. Hope this helps!:)
If one bulb goes out then all the others won't light up because electricity will be cut off. It's a disadvantage because in a parallel circuit if one bulb burns out all the others will still be on because they won't be affected. I hope I've helped you ☺
