MATTER+INTERACTIONS(LL)+WILEYPLUS
4th Edition
ISBN: 9781119679677
Author: CHABAY
Publisher: WILEY
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Chapter 2, Problem 19P
To determine
Whether earth can be saved from the meteorite.
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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
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2. An incandescent lamp has a tungsten filament whose resistance is 96 at its operating temperature
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A
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C
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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
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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…
Chapter 2 Solutions
MATTER+INTERACTIONS(LL)+WILEYPLUS
Ch. 2.1 - (1) Two external forces. 〈40, −70, 0〉 N and 〈20,...Ch. 2.2 - (a) In the colliding students example, how was Δt,...Ch. 2.3 - (1) You drop a piece of paper, and observe that it...Ch. 2.4 - (1) For the third time step in the iterative...Ch. 2.5 - A ball is kicked on Earth from a location 〈9.0,...Ch. 2.6 - 6 (1) You push on a spring whose stiffness is 11...Ch. 2.6 - Prob. 7CPCh. 2.6 - Prob. 8CPCh. 2.7 - Jupiter goes around the Sun in 4333 Earth days....Ch. 2.7 - Some code would need to be added in front of each...
Ch. 2 - Prob. 1QCh. 2 - An object is moving in the +y direction. Which, if...Ch. 2 - You observe three carts moving to the left. Cart A...Ch. 2 - In order to pull a sled across a level field at...Ch. 2 - Prob. 5QCh. 2 - A comet passes near the Sun. When the comet is...Ch. 2 - A ball moves in the direction of the arrow labeled...Ch. 2 - A system is acted upon by two forces, 〈18, 47,...Ch. 2 - A truck driver slams on the brakes and the...Ch. 2 - At a certain instant a particle is moving in the...Ch. 2 - At t = 16.0 s an object with mass 4 kg was...Ch. 2 - A proton (mass 1.7 × 10−27 kg) interacts...Ch. 2 - A Ping-Pong ball is acted upon by the Earth, air...Ch. 2 - In outer space a rock of mass 5 kg is acted on by...Ch. 2 - A steel safe with mass 2200 kg falls onto...Ch. 2 - In a crash test, a truck with mass 2500 kg...Ch. 2 - A tennis ball has a mass of 0.057 kg. A...Ch. 2 - An object is on a collision course with the Earth...Ch. 2 - Prob. 20PCh. 2 - You throw a metal block of mass 0.25 kg into the...Ch. 2 - A small space probe, of mass 240 kg, is launched...Ch. 2 - A soccer ball of mass 0.43 kg is rolling with...Ch. 2 - As your spaceship coasts toward Mars, you need to...Ch. 2 - A runner starts from rest and in 3 s reaches a...Ch. 2 - The driver of a car traveling at a speed of 18 m/s...Ch. 2 - On a straight road with the +x axis chosen to...Ch. 2 - A ball of mass 0.4 kg flies through the air at low...Ch. 2 - For each graph of vx vs. t numbered 1–6 in Figure...Ch. 2 - A cart rolls with low friction on a track. A fan...Ch. 2 - Consider the three experiments described in...Ch. 2 - Consider the three experiments described in...Ch. 2 - You are a detective investigating why someone was...Ch. 2 - Prob. 34PCh. 2 - A ball is kicked from a location 〈9, 0, −6〉 (on...Ch. 2 - Prob. 37PCh. 2 - Prob. 38PCh. 2 - The performance of two different cars, car 1 and...Ch. 2 - A driver starts from rest on a straight test track...Ch. 2 - The stiffness of a particular spring is 40 N/m....Ch. 2 - A spring with a relaxed length of 25 cm and a...Ch. 2 - Prob. 43PCh. 2 - Prob. 44PCh. 2 - Prob. 46PCh. 2 - Prob. 47P
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- 2. 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_forward9. A spring has a force constant of 100 N/m and an unstretched length of 0.07 m. One end is attached to a post that is free to rotate in the center of a smooth. table, as shown in the top view in the figure below. The other end is attached to a 1kg disc moving in uniform circular motion on the table, which stretches the spring by 0.03 m. Friction is negligible. What is the centripetal force on the disc? Top View (a) 0.3 N (b) 3.0 N (c) 10 N (d) 300 N (e) 1000 Narrow_forward
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