Astronomy Today (9th Edition)
9th Edition
ISBN: 9780134450278
Author: Eric Chaisson, Steve McMillan
Publisher: PEARSON
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Question
Chapter 3, Problem 3MC
To determine
The correct option, from the following options, to complete the statement “An electron that collides with an atom will”.
(a) cease to have an electric field
(b) produce an
(c) change its electric charge
(d) become magnetized
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Consider the electron in a hydrogen atom that receives an incoming photon. If the electron began at an energy level of n = 3, at which of the following energy levels (n) could it exist upon absorbing the photon?
A) n = 5
B)
n = 1
C)
n = 1.5
D)
n = 6.5
E)
Either n = 5 or n = 6.5
Coulomb constant, k = 8.987 x 10° N · m2 /C2. Vacuum permitivity, €n = 8.854 x 10 12 F/m. Magnitude of the charge of
the electron, e = -1.60217662 x 10-19 C. Mass of the electron, me = 9.10938356 x 10 31 kg. Unless specified otherwise,
each symbol carries their usual meaning. For example, uC means micro coulomb.
+Y ↑
+x
Coordinates of three charges in a 2D plane is given as follows: q1 = -42 µC at p1 = (-9,14), q2 = 21 µC at p2 = (-13,17)
and q3 = -30 pC at p3 = (-9, -20). These coordinates are given in centimeters.
c) Compute force on qi due to q2.
x component of the force
Give your answer to at least three significance digits.
y component of the force
Give your answer to at least three significance digits.
d) Compute force on q due to q3-
z component of the force
Give your answer to at least three significance digits.
y component of the force
Give your answer to at least three significance digits.
N
e) Compute net force on qi due to q2 and q3. You can use the superposition principle…
Coulomb constant, k = 8.987 x 10° N· m2/C2. Vacuum permitivity, eo = 8.854 x 10-12 F/m. Magnitude of the charge of the electron, e = -1.60217662 x 10-19 C.
Mass of the electron, me = 9.10938356 x 10-31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, µC means micro coulomb
+x
Coordinates of three charges in a 2D plane is given as follows: q1 = -45 µC at pi = (17, 17), g2 = 21 µC at p2 = (17, –11) and g3 = 43 µC at p3 = (-15, 13). These
coordinates are given in centimeters.
a) Compute force on q2 due to qi using the formula F12 = k 12-
I component of the force
Give your answer to at least three significance digits.
y component of the force
Give your answer to at least three significance digits.
N
b) Compute force on q2 due to qi using the formula F12 = kr12.
I component of the force
Give your answer to at least three significance digits.
y component of the force
Give your answer to at least three significance digits.
Chapter 3 Solutions
Astronomy Today (9th Edition)
Ch. 3 - Prob. 1DCh. 3 - Prob. 2DCh. 3 - Prob. 3DCh. 3 - Prob. 4DCh. 3 - Prob. 5DCh. 3 - Prob. 6DCh. 3 - Prob. 7DCh. 3 - Prob. 8DCh. 3 - Prob. 9DCh. 3 - Prob. 10D
Ch. 3 - Prob. 11DCh. 3 - Prob. 12DCh. 3 - Prob. 13DCh. 3 - Prob. 14DCh. 3 - Prob. 15DCh. 3 - Prob. 1MCCh. 3 - Prob. 2MCCh. 3 - Prob. 3MCCh. 3 - Prob. 4MCCh. 3 - Prob. 5MCCh. 3 - Prob. 6MCCh. 3 - Prob. 7MCCh. 3 - Prob. 8MCCh. 3 - Prob. 9MCCh. 3 - Prob. 10MCCh. 3 - Prob. 1PCh. 3 - Prob. 2PCh. 3 - Prob. 3PCh. 3 - Prob. 4PCh. 3 - Prob. 5PCh. 3 - Prob. 6PCh. 3 - Prob. 7PCh. 3 - Prob. 8P
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