- Jul 31, 2006
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1. The charges and coordinates of two charged particles held fixed in an x-y plane are:
q1 = -2.5μC at (3.2cm,0.8cm)
q2 = 5.0μC at (-1.8cm,2.0cm)
a. find the magnitude of the electrostatic force between the two charged particles.
i found this already.-4.25x10^2 N
b. What is the direction of the electrostatic force on charge 1 due to charge 2?
c. determine the coordinates to place a third charge of magnitude -6.0μC such that the net electrostatic force acting on charge 1 is zero.
2. (for reference, the He saying ^(4)He is noting the 2 protons+ 2 neutrons added up, i just cant superscript here.
it is an alpha particle. http://en.wikipedia.org/wiki/Alpha_particle
a. Identify the symbol for X in the following nuclear decomposition:
238U -> ^(4) He + X
got this already 234 Th
b. when the separation between nuclide X and ^(4)He is 7.5x10^-15 m, what is the magnitude of the electrostatic force between them?
c. when the separation between nuclide X and ^(4)He is 7.5x10^-15 m, what is the resulting acceleration of the alpha (^(4)He) particle?
d. determine the terminal velocity of the alpha particle as it accelerated away from nuclide X
3. a curved rod has a radius of curvature R= 10.0cm
The central angle formed at the center of curvature from one end of the rod to the other end is 135 degrees.
A charge of Q= -.0750 nC is uniformly distributed along the length of the rod.
What are the magnitude and direction of the electric field at the center of curvature?
yes this is hw. no I dont care what your opinion on helping people with homework. senior in high school + accepted to college I am going to = major senioritis
q1 = -2.5μC at (3.2cm,0.8cm)
q2 = 5.0μC at (-1.8cm,2.0cm)
a. find the magnitude of the electrostatic force between the two charged particles.
i found this already.-4.25x10^2 N
b. What is the direction of the electrostatic force on charge 1 due to charge 2?
c. determine the coordinates to place a third charge of magnitude -6.0μC such that the net electrostatic force acting on charge 1 is zero.
2. (for reference, the He saying ^(4)He is noting the 2 protons+ 2 neutrons added up, i just cant superscript here.
it is an alpha particle. http://en.wikipedia.org/wiki/Alpha_particle
a. Identify the symbol for X in the following nuclear decomposition:
238U -> ^(4) He + X
got this already 234 Th
b. when the separation between nuclide X and ^(4)He is 7.5x10^-15 m, what is the magnitude of the electrostatic force between them?
c. when the separation between nuclide X and ^(4)He is 7.5x10^-15 m, what is the resulting acceleration of the alpha (^(4)He) particle?
d. determine the terminal velocity of the alpha particle as it accelerated away from nuclide X
3. a curved rod has a radius of curvature R= 10.0cm
The central angle formed at the center of curvature from one end of the rod to the other end is 135 degrees.
A charge of Q= -.0750 nC is uniformly distributed along the length of the rod.
What are the magnitude and direction of the electric field at the center of curvature?
yes this is hw. no I dont care what your opinion on helping people with homework. senior in high school + accepted to college I am going to = major senioritis
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