If 18 A flows through a 37 V battery in a certain circuit, how much would it could cost to operate the circuit per day? Assume electricity costs 2$ 0.11 kW.hr: Report your answer as a typical cash amount, i.e. round your answer to the nearest cent.
If 18 A flows through a 37 V battery in a certain circuit, how much would it could cost to operate the circuit per day? Assume electricity costs 2$ 0.11 kW.hr: Report your answer as a typical cash amount, i.e. round your answer to the nearest cent.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Formulas:
kq
E =
= electric field (N/C)
charge (Coulomb, C)
= distance (meters, m)
force (Newtons, N)
= current (Amperes, A)
time (seconds, s)
V
F = Eq
%3D
kq 92
F =
r
voltage (volts, V)
R =resistance (Ohms, 2)
V = RI
Rquivalent = R, +R, + R, (series)
energy (Joules, J)
f
E
= frequency (1/s = Hertz, Hz)
= wavelength (meters, m)
= pressure (Pascals, Pa)
= volume (m³)
= temperature (Kelvin, K)
= number of moles (mol)
1
1
1
(parallel)
%3D
R R, R R,
hc
E= hf =
V
PV = nRT
n
If the number of moles
is constant (n1 = n2), then
PV PVr
T
Tr
Conversions:
1 inch = 2.54 cm
1 m3 = 1000 L
1 atm = 1.013 × 105 Pa
Kelvin = 273 + Celsius
STP = Standard Temperatur & Pressure (0°C and 1 atm)
Constants:
Molar Masses:
N.m2
Nitrogen, N:14-
mol
k =9.0x10°
e =1.60x101 C
Air: 29 8
mol
R=8.314-
mol- K
h = 6.626x1034 J.s
C = 3.0x10 Dm
Transcribed Image Text:If 18 A flows through a 37 battery in a certain
circuit, how much would it could cost to operate
the circuit per day? Assume electricity costs
0.11 Tkr: Report your answer as a typical
2$
kW-hr*
cash amount, i.e. round your answer to the
nearest cent.
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