
Modern Physics
2nd Edition
ISBN: 9780805303087
Author: Randy Harris
Publisher: Addison Wesley
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Chapter 12, Problem 45E
To determine
If the reaction is possible, calculate colliding proton’s kinetic energy.
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Rod AB is fixed to a smooth collar D, which slides freely along the vertical guide shown in (Figure 1). Point C is
located just to the left of the concentrated load P = 70 lb. Suppose that w= 17 lb/ft. Follow the sign convention.
Part A
Figure
3 ft
-1.5 ft
√30°
1 of 1
Determine the normal force at point C.
Express your answer in pounds to three significant figures.
ΜΕ ΑΣΦ Η vec
Nc=
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Part B
Determine the shear force at point C.
Express your answer in pounds to three significant figures.
VC=
ΜΕ ΑΣΦΗ
vec
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Part C
Determine the moment at point C.
Express your answer in pound-feet to three significant figures.
Mc=
Ο ΑΣΦ Η
vec
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Consider a uniformly charged ring of radius R with total charge Q, centered at the origin inthe xy-plane. Find the electric field (as a vector) at a point on the z-axis at a distance z above thecenter of the ring. Assume the charge density is constant along the ring.
3) If the slider block C is moving at 3m/s, determine the angular velocity of BC
and the crank AB at the instant shown. (Use equation Vs Vc wx fuc, then
use equation Vs VA + Ve/athen write it in terms of w and the appropriate r
equate the two and solve)
0.5 m
B
1 m
60°
A
45°
vc = 3 m/s
Chapter 12 Solutions
Modern Physics
Ch. 12 - Prob. 1CQCh. 12 - Prob. 2CQCh. 12 - Prob. 3CQCh. 12 - Prob. 4CQCh. 12 - Prob. 5CQCh. 12 - Prob. 6CQCh. 12 - Prob. 7CQCh. 12 - Prob. 9ECh. 12 - Prob. 10ECh. 12 - Prob. 11E
Ch. 12 - Prob. 12ECh. 12 - Prob. 14ECh. 12 - Prob. 15ECh. 12 - Prob. 16ECh. 12 - Prob. 17ECh. 12 - Prob. 18ECh. 12 - Prob. 19ECh. 12 - Prob. 20ECh. 12 - Prob. 21ECh. 12 - Prob. 23ECh. 12 - Exercise 23 discusses the threshold energy for two...Ch. 12 - Prob. 25ECh. 12 - Prob. 26ECh. 12 - Prob. 27ECh. 12 - Prob. 28ECh. 12 - Prob. 29ECh. 12 - Prob. 30ECh. 12 - Prob. 31ECh. 12 - Prob. 32ECh. 12 - Prob. 33ECh. 12 - Prob. 34ECh. 12 - Prob. 35ECh. 12 - Prob. 36ECh. 12 - Prob. 37ECh. 12 - Prob. 38ECh. 12 - Prob. 39ECh. 12 - Prob. 40ECh. 12 - Prob. 41ECh. 12 - Prob. 42ECh. 12 - Prob. 43ECh. 12 - Prob. 44ECh. 12 - Prob. 45ECh. 12 - Prob. 46ECh. 12 - Prob. 47ECh. 12 - Prob. 48ECh. 12 - Prob. 49ECh. 12 - Prob. 50ECh. 12 - Prob. 51ECh. 12 - Prob. 52ECh. 12 - Prob. 53E
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- 3) If the slider block C is moving at 3m/s, determine the angular velocity of BC and the crank AB at the instant shown. (Use equation Vs Vc wxf, then use equation V, VA + Va/Athen write it in terms of w and the appropriate r equate the two and solve) f-3marrow_forwardPls help ASAParrow_forwardPls help ASAParrow_forward
- 14. A boy is out walking his dog. From his house, he walks 30 m North, then 23 m East, then 120 cm South, then 95 m West, and finally 10 m East. Draw a diagram showing the path that the boy walked, his total displacement, and then determine the magnitude and direction of his total displacement.arrow_forwardPls help ASAParrow_forwardPls help ASAParrow_forward
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