11 and 12) You are standing 30.5 meters [₁] from the siren mentioned in the previous problem. At this location, the Sound Intensity Level is 109 decibels (₁). (HW #3: Q 1 to 3] 11) Calculate the Intensity Level ₁ (W/m²)] at A) 1.24 B) 5.42 X 10 C) 7.94 X 1010 A) 875 C) Location A. 12) Calculate how far [r, (m)] you would have to stand from the speakers to experience 65 decibels [B,1. Note: Two formulas (or two step) are needed to solve this problem.. B) 4,830 0.0370 D) 1.24 X 10-12 E) 0.0794 D) 0.192 E) 7.66 X 105
11 and 12) You are standing 30.5 meters [₁] from the siren mentioned in the previous problem. At this location, the Sound Intensity Level is 109 decibels (₁). (HW #3: Q 1 to 3] 11) Calculate the Intensity Level ₁ (W/m²)] at A) 1.24 B) 5.42 X 10 C) 7.94 X 1010 A) 875 C) Location A. 12) Calculate how far [r, (m)] you would have to stand from the speakers to experience 65 decibels [B,1. Note: Two formulas (or two step) are needed to solve this problem.. B) 4,830 0.0370 D) 1.24 X 10-12 E) 0.0794 D) 0.192 E) 7.66 X 105
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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11
![←
7:41
Physics Lecture Midterm Exam C [Op...
4 of 5
11 and 12) You are standing 30.5 meters [₁] from the siren mentioned in the
previous problem. At this location, the Sound Intensity Level is
109 decibels [B.1. [HW #3: Q 1 to 3]
11) Calculate the Intensity Level [1₁, (W/m²)] at Location A.
A) 1.24
B) 5.42 X 10
C) 7.94 X 1010
D) 1.24 X 10-12
A) 875
12) Calculate how far [r, (m)] you would have to stand from the speakers
to experience 65 decibels [B]. Note: Two formulas (or two step) are
needed to solve this problem.
B) 4,830
A) -160.
A) +26.6
C) 0.0370
14) A test charge q, (+12.8 μC) is initially 0.250 m [₁]
to the right of the fixed charge Q (+45.8 μC). The
test charge is moved, with constant velocity, so it
is located 0.950 m [₁] to the right of the fixed
charge Q.
Calculate the External Work [W (J)]
needed to move the charge. [HW #5, Q 3]
C) -15.5
B) +21.1
13) A machine creates a series of SHM Transversal waves, traveling along the
+x-axis, on a wire cable. Each wave has an Amplitude of 235 cm [A],
a Period of 5.37 s [T], and a Wavelength of 145 cm [2]. Calculate
the wave's vertical position [y, (cm)] at = 22.4 s and x = 65.0 cm.
Your calculator needs to be in Radian mode. [HW #3: Q 4 & 5)
C) -129
B) +93.3
D) -232
E) +219
D) 0.192
9V
120F
D) -21.1
17 and 18) You are given the following circuit below:
[HW #6: Q5 & 6].
50μF
LTE 24
E) 7.66 X 105
100μF = 200μF
+Q
E) +15.5
15) Nichrome wire has a resistivity [P] of 1.50 x 10- 2m and a diameter [D]
of 0.325 millimeters. Calculate how long [L, (mm)] the wire must be to
create a resistance of 165 2 [i.e., Ro] at 20°C. [HW # 6; Q 10 & 11]
and Chapter 19 folder ("Wire Resistance Formula Chart.pdf").
A) 91.3
B) 0.0205
C) 3.65 D) 116 E) 365
E) 0.0794
16) An 857-μF capacitor [C] was connected to a 78.0-V DC battery [AV]. When
the capacitor is fully charged, how much Total Potential Energy [Uer {3}]
will be stored between its plates? [HW #5, 6]
A) 5.21
B) 2.61
C) 0.0334
D) 0.0668
E)
+90
8
0.00447
Page 4 of 5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa8713e9b-73ac-4e4f-a322-df330d573c40%2F57fadb63-1dd6-4cef-b734-88650414f860%2Ffwgkgsw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:←
7:41
Physics Lecture Midterm Exam C [Op...
4 of 5
11 and 12) You are standing 30.5 meters [₁] from the siren mentioned in the
previous problem. At this location, the Sound Intensity Level is
109 decibels [B.1. [HW #3: Q 1 to 3]
11) Calculate the Intensity Level [1₁, (W/m²)] at Location A.
A) 1.24
B) 5.42 X 10
C) 7.94 X 1010
D) 1.24 X 10-12
A) 875
12) Calculate how far [r, (m)] you would have to stand from the speakers
to experience 65 decibels [B]. Note: Two formulas (or two step) are
needed to solve this problem.
B) 4,830
A) -160.
A) +26.6
C) 0.0370
14) A test charge q, (+12.8 μC) is initially 0.250 m [₁]
to the right of the fixed charge Q (+45.8 μC). The
test charge is moved, with constant velocity, so it
is located 0.950 m [₁] to the right of the fixed
charge Q.
Calculate the External Work [W (J)]
needed to move the charge. [HW #5, Q 3]
C) -15.5
B) +21.1
13) A machine creates a series of SHM Transversal waves, traveling along the
+x-axis, on a wire cable. Each wave has an Amplitude of 235 cm [A],
a Period of 5.37 s [T], and a Wavelength of 145 cm [2]. Calculate
the wave's vertical position [y, (cm)] at = 22.4 s and x = 65.0 cm.
Your calculator needs to be in Radian mode. [HW #3: Q 4 & 5)
C) -129
B) +93.3
D) -232
E) +219
D) 0.192
9V
120F
D) -21.1
17 and 18) You are given the following circuit below:
[HW #6: Q5 & 6].
50μF
LTE 24
E) 7.66 X 105
100μF = 200μF
+Q
E) +15.5
15) Nichrome wire has a resistivity [P] of 1.50 x 10- 2m and a diameter [D]
of 0.325 millimeters. Calculate how long [L, (mm)] the wire must be to
create a resistance of 165 2 [i.e., Ro] at 20°C. [HW # 6; Q 10 & 11]
and Chapter 19 folder ("Wire Resistance Formula Chart.pdf").
A) 91.3
B) 0.0205
C) 3.65 D) 116 E) 365
E) 0.0794
16) An 857-μF capacitor [C] was connected to a 78.0-V DC battery [AV]. When
the capacitor is fully charged, how much Total Potential Energy [Uer {3}]
will be stored between its plates? [HW #5, 6]
A) 5.21
B) 2.61
C) 0.0334
D) 0.0668
E)
+90
8
0.00447
Page 4 of 5
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