Physics
5th Edition
ISBN: 9781260486919
Author: GIAMBATTISTA
Publisher: MCG
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Chapter 6, Problem 24P
To determine
The work done by the wall while stopping the ice skater.
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Nature of Resistance
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•
•
Maxwell's Mesh Analysis
1. The steel of the third rail of a railway system has a resistivity of 21.4 μ-cm. If its cross-sectional area
is 8.2 in², calculate the resistance per mile of rail, neglecting the effect of joints between sections. (1
point)
2. An incandescent lamp has a tungsten filament whose resistance is 96 at its operating temperature
of 2900°C. Calculate the filament resistance when the lamp is disconnected from the electric source,
under which condition its temperature is 24°C. (Use do = 0.0045 02/°C for tungsten) (1 point)
3. For the circuit shown, find the following:
50 V
602
10 V
702
a. the value of resistor R. (1 point)
b. the equivalent resistance with respect to the 50-V
source. (1 point)
4. For the circuit shown, determine all the currents in each branch using Kirchhoff's Laws. (3 points)
A
5V 2
В
-ний
C
4
6 VT
ww
F
E
5. Use Maxwell's Mesh to find I, and VAB…
For items 8-9, refer to the problem below.
Find all the currents flowing in every resistor, power dissipation in
every resistor and the total power of the circuit shown at the right
using...
8. Kirchhoff's Laws (5 pts)
9. Maxwell's Mesh Analysis (5 pts)
A
8 V
10 V
B
+
20 Ω
3Ω
202
wwww
C
wwww
202
+
50
www
12 V
Chapter 6 Solutions
Physics
Ch. 6.2 - Prob. 6.2CPCh. 6.2 - Prob. 6.1PPCh. 6.2 - Prob. 6.2PPCh. 6.3 - Prob. 6.3PPCh. 6.3 - Prob. 6.4PPCh. 6.3 - Prob. 6.3ACPCh. 6.3 - Prob. 6.3BCPCh. 6.4 - Prob. 6.4ACPCh. 6.4 - Prob. 6.4BCPCh. 6.4 - Prob. 6.5PP
Ch. 6.4 - Prob. 6.6PPCh. 6.5 - Prob. 6.5CPCh. 6.5 - Prob. 6.7PPCh. 6.5 - Prob. 6.8PPCh. 6.6 - Prob. 6.9PPCh. 6.6 - Prob. 6.10PPCh. 6.7 - Prob. 6.7CPCh. 6.7 - Practice Problem 6.11 A Misfire
The same dart gun...Ch. 6.7 - Prob. 6.12PPCh. 6.8 - Prob. 6.13PPCh. 6.8 - Prob. 6.14PPCh. 6 - Prob. 1CQCh. 6 - Prob. 2CQCh. 6 - Prob. 3CQCh. 6 - Prob. 4CQCh. 6 - Prob. 5CQCh. 6 - Prob. 6CQCh. 6 - Prob. 7CQCh. 6 - Prob. 8CQCh. 6 - Prob. 9CQCh. 6 - Prob. 10CQCh. 6 - Prob. 11CQCh. 6 - Prob. 12CQCh. 6 - Prob. 13CQCh. 6 - Prob. 1MCQCh. 6 - 2. If a kangaroo on Earth can jump from a standing...Ch. 6 - Prob. 3MCQCh. 6 - Prob. 4MCQCh. 6 - Prob. 5MCQCh. 6 - Prob. 6MCQCh. 6 - Prob. 7MCQCh. 6 - Prob. 8MCQCh. 6 - Prob. 9MCQCh. 6 - Questions 9 and 10. A simple catapult, consisting...Ch. 6 - Prob. 11MCQCh. 6 - Prob. 1PCh. 6 - Prob. 2PCh. 6 - Prob. 3PCh. 6 - Prob. 4PCh. 6 - Prob. 5PCh. 6 - Prob. 6PCh. 6 - Prob. 7PCh. 6 - Prob. 8PCh. 6 - Prob. 9PCh. 6 - Prob. 10PCh. 6 - Prob. 11PCh. 6 - Prob. 12PCh. 6 - Prob. 13PCh. 6 - Prob. 14PCh. 6 - Prob. 15PCh. 6 - Prob. 16PCh. 6 - Prob. 17PCh. 6 - Prob. 18PCh. 6 - Prob. 19PCh. 6 - Prob. 20PCh. 6 - Prob. 21PCh. 6 - Prob. 22PCh. 6 - Prob. 23PCh. 6 - Prob. 24PCh. 6 - Prob. 25PCh. 6 - Prob. 26PCh. 6 - Prob. 27PCh. 6 - Prob. 28PCh. 6 - Problems 29–32. A skier passes through points A–E...Ch. 6 - Prob. 30PCh. 6 - Prob. 31PCh. 6 - Prob. 32PCh. 6 - Prob. 33PCh. 6 - Prob. 34PCh. 6 - 35. Emil is tossing an orange of mass 0.30 kg into...Ch. 6 - Prob. 36PCh. 6 - 37. An arrangement of two pulleys, as shown in the...Ch. 6 - Prob. 38PCh. 6 - Prob. 39PCh. 6 - Prob. 40PCh. 6 - Prob. 41PCh. 6 - Prob. 42PCh. 6 - Prob. 43PCh. 6 - Prob. 44PCh. 6 - Prob. 45PCh. 6 - Prob. 46PCh. 6 - 47. Refer to Problems 11-14. Find conservation of...Ch. 6 - Prob. 48PCh. 6 - Prob. 49PCh. 6 - Prob. 50PCh. 6 - Prob. 51PCh. 6 - Prob. 52PCh. 6 - 53. What is the minimum speed with which a meteor...Ch. 6 - 54. A projectile with mass of 500 kg is launched...Ch. 6 - Prob. 55PCh. 6 - Prob. 56PCh. 6 - Prob. 57PCh. 6 - Prob. 58PCh. 6 - Prob. 59PCh. 6 - Prob. 60PCh. 6 - Prob. 61PCh. 6 - Prob. 62PCh. 6 - Prob. 63PCh. 6 - Prob. 64PCh. 6 - Prob. 65PCh. 6 - Prob. 66PCh. 6 - Prob. 67PCh. 6 - Prob. 68PCh. 6 - Prob. 69PCh. 6 - Prob. 70PCh. 6 - Prob. 71PCh. 6 - Prob. 72PCh. 6 - Prob. 73PCh. 6 - Prob. 74PCh. 6 - Prob. 75PCh. 6 - Prob. 76PCh. 6 - Prob. 77PCh. 6 - Prob. 78PCh. 6 - Prob. 79PCh. 6 - Prob. 80PCh. 6 - Prob. 81PCh. 6 - Prob. 82PCh. 6 - Prob. 83PCh. 6 - Prob. 84PCh. 6 - Prob. 85PCh. 6 - Prob. 86PCh. 6 - Prob. 87PCh. 6 - Prob. 88PCh. 6 - Prob. 89PCh. 6 - Prob. 90PCh. 6 - Prob. 91PCh. 6 - Prob. 92PCh. 6 - Prob. 93PCh. 6 - Prob. 94PCh. 6 - Prob. 95PCh. 6 - Prob. 97PCh. 6 - Prob. 96PCh. 6 - Prob. 98PCh. 6 - Prob. 99PCh. 6 - Prob. 101PCh. 6 - Prob. 100PCh. 6 - Prob. 102PCh. 6 - Prob. 103PCh. 6 - Prob. 104PCh. 6 - Prob. 105PCh. 6 - Prob. 107PCh. 6 - Prob. 108PCh. 6 - Prob. 109PCh. 6 - Prob. 110PCh. 6 - Prob. 111PCh. 6 - Prob. 112PCh. 6 - Prob. 106PCh. 6 - Prob. 113PCh. 6 - Prob. 114PCh. 6 - Prob. 115PCh. 6 - Prob. 116PCh. 6 - Prob. 117PCh. 6 - Prob. 118PCh. 6 - Prob. 119PCh. 6 - Prob. 120PCh. 6 - Prob. 130PCh. 6 - Prob. 125PCh. 6 - Problems 121 and 122.A particle is constrained to...Ch. 6 - Prob. 122PCh. 6 - Prob. 123PCh. 6 - Prob. 124PCh. 6 - Prob. 132PCh. 6 - Prob. 126PCh. 6 - Prob. 127PCh. 6 - Prob. 128PCh. 6 - Prob. 129PCh. 6 - Prob. 131PCh. 6 - Prob. 142PCh. 6 - Prob. 140PCh. 6 - Prob. 133PCh. 6 - Prob. 134PCh. 6 - Prob. 136PCh. 6 - Prob. 137PCh. 6 - Prob. 138PCh. 6 - Prob. 135PCh. 6 - Prob. 139PCh. 6 - Prob. 141P
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- • Nature of Resistance Temperature-Resistance Relationship Ohm's Law, Energy and Power Kirchhoff's Law • Maxwell's Mesh Analysis 1. A coil of copper wire (p = 10.37 2-cmil/ft) has a length of 600 ft. What is the length of an aluminum conductor (p 17 cmil/ft), if its cross-sectional area and resistance are the same as those of the copper coil? (Hint: Look for conversion of inches to mils and square inches to square foot. Include it in your solution.) (1 pt) 2. The copper field winding of an electric machine has a resistance of 46 at temperature of 22°C. What will be its resistance at 75°C? (Use do = 0.00427 /°C for copper) (1 pt) 3. The resistivity of a copper rod 50 ft long and 0.25 inch in diameter is 1.76 μ at 20°C. What is its resistance at - 20°C? (1 pt) 4. When two resistors A and B are connected in series, the total resistance is 36 2. When connected in parallel, the total resistance is 8 Q. What is the ratio of the resistance RA to resistance RB? Assume RA < RB. (1 pt) 5. The…arrow_forward2. Two equally strong individuals, wearing exactly the same shoes decide to do a tug of war. The only difference is individual A is 2.5 meters tall and individual B is 1.5 meter tall. Who is more likely to win the tug of war?arrow_forward6. A car drives at steady speed around a perfectly circular track. (a) The car's acceleration is zero. (b) The net force on the car is zero. (c) Both the acceleration and net force on the car point outward. (d) Both the acceleration and net force on the car point inward. (e) If there is no friction, the acceleration is outward.arrow_forward
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