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Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Question
Chapter 7, Problem 8C
To determine
The potential energy gain by a 150-pound of person and he must climb 1700 feet.
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A capacitor with parallel plates, of area A and separation 2a, is connected to a potential difference ∆V. Then a conductive metal plate of area A / 2 and thickness a half of the capacitor is introduced (red in the figure). Finally, an insulating material with a dielectric constant κ is introduced in the second half (blue in the figure), with the same area and thickness as the conductive material. Find
a) The capacity and energy accumulated when the capacitor is empty.
b) The capacity and energy accumulated when the capacitor is with the conductor.
c) The capacity and accumulated energy when the capacitor is with the conductor and the dielectric.
Item 5
Part A
Each plate of a parallel-plate capacator is a square with
side length r, and the plates are separated by a distance
d. The capacitor is connected to a source of voltage V. A
plastic slab of thickness d and dielectric constant K is
inserted slowly between the plates over the time period
At until the slab is squarely between the plates. While
the slab is being inserted, a current runs through the
battery/capacitor circuit. (Figure 1)
Assuming that the dielectric is inserted at a constant rate, find the current I
inserted.
the slab is
Express your answer in terms of any or all of the given variables V, K, r, d, At, and €o,
the permittivity of free space.
?
Figure 1
+ of 1
I =
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V.
The output of an OR gate with three inputs, A, B,and C, is (0) when ¥ O A=1,B=0,C=0 QO A=0B=0,C=1 QO A=0B=1C=1 QO A=1B=1C=1 O all answers wrong The format used to present the logic output for the various combinations of logic inputs to a gate is called: * O Boolean constant O Boolean variable O truth table O input logic function O all answers wrong
Chapter 7 Solutions
Inquiry into Physics
Ch. 7 - Describe one promising explanation for how...Ch. 7 - Loud thunder claps frequently accompany lightning...Ch. 7 - What does the term fibrillation mean in connection...Ch. 7 - Prob. 1PIPCh. 7 - Prob. 2PIPCh. 7 - Prob. 1MIOCh. 7 - Prob. 2MIOCh. 7 - Prob. 1QCh. 7 - Prob. 2QCh. 7 - Prob. 3Q
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