Physics
10th Edition
ISBN: 9781118486894
Author: David Young, Shane Stadler
Publisher: WILEY
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Chapter 13, Problem 11FC
To determine
The ratio of
T B T A
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L₁
D₁
L₂
D2
Aluminum has a resistivity of p = 2.65 × 10 8 2. m. An aluminum wire is L = 2.00 m long and has a
circular cross section that is not constant. The diameter of the wire is D₁ = 0.17 mm for a length of
L₁ = 0.500 m and a diameter of D2 = 0.24 mm for the rest of the length.
a) What is the resistance of this wire?
R =
Hint
A potential difference of AV = 1.40 V is applied across the wire.
b) What is the magnitude of the current density in the thin part of the wire?
Hint
J1
=
c) What is the magnitude of the current density in the thick part of the wire?
J₂ =
d) What is the magnitude of the electric field in the thin part of the wire?
E1
=
Hint
e) What is the magnitude of the electric field in the thick part of the wire?
E2
=
please help
A cheetah spots a gazelle in the distance and begins to sprint from rest, accelerating uniformly at a rate of 8.00 m/s^2 for 5 seconds. After 5 seconds, the cheetah sees that the gazelle has escaped to safety, so it begins to decelerate uniformly at 6.00 m/s^2 until it comes to a stop.
Chapter 13 Solutions
Physics
Ch. 13.1 - Prob. 1CYUCh. 13.2 - Prob. 2CYUCh. 13.2 - Prob. 3CYUCh. 13.2 - 4. Concrete walls often contain steel...Ch. 13.2 - Prob. 5CYUCh. 13.2 - Prob. 6CYUCh. 13.2 - Prob. 7CYUCh. 13.2 - Prob. 8CYUCh. 13.2 - Prob. 9CYUCh. 13.3 - Prob. 10CYU
Ch. 13.3 - Prob. 11CYUCh. 13.3 - Prob. 12CYUCh. 13.3 - Prob. 13CYUCh. 13.3 - Prob. 14CYUCh. 13.3 - Prob. 15CYUCh. 13 - Prob. 1FCCh. 13 - Prob. 2FCCh. 13 - 4. The drawing shows a composite slab consisting...Ch. 13 - Prob. 6FCCh. 13 - Prob. 8FCCh. 13 - Prob. 10FCCh. 13 - Prob. 11FCCh. 13 - Prob. 1PCh. 13 - 2. In an electrically heated home, the temperature...Ch. 13 - Prob. 3PCh. 13 - Prob. 4PCh. 13 - Prob. 5PCh. 13 - Prob. 6PCh. 13 - Prob. 7PCh. 13 - Prob. 8PCh. 13 - Prob. 9PCh. 13 - Prob. 10PCh. 13 - Prob. 11PCh. 13 - Prob. 12PCh. 13 - Prob. 13PCh. 13 - *14. Two pots are identical except that the flat...Ch. 13 - Prob. 15PCh. 13 - Prob. 16PCh. 13 - Prob. 17PCh. 13 - Prob. 18PCh. 13 - Prob. 19PCh. 13 - Prob. 20PCh. 13 - Prob. 21PCh. 13 - Prob. 22PCh. 13 - Prob. 23PCh. 13 - Prob. 24PCh. 13 - Prob. 25PCh. 13 - Prob. 26PCh. 13 - 27. A baking dish is removed from a hot oven and...Ch. 13 - Prob. 28PCh. 13 - 29. Suppose the skin temperature of a naked person...Ch. 13 - Prob. 30PCh. 13 - Prob. 31PCh. 13 - Prob. 32PCh. 13 - Prob. 33PCh. 13 - Prob. 34PCh. 13 - Prob. 35APCh. 13 - Prob. 36APCh. 13 - Prob. 37APCh. 13 - Prob. 38APCh. 13 - Prob. 39APCh. 13 - *40. Part a of the drawing shows a rectangular bar...Ch. 13 - Prob. 41APCh. 13 - Prob. 42APCh. 13 - Prob. 43APCh. 13 - **44. One end of a 0.25-m copper rod with a...Ch. 13 - *45. A wood-burning stove (emissivity = 0.900 and...Ch. 13 - Prob. 46CCPCh. 13 - Prob. 47CCP
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