General Physics I 2048 SPRING 2015
Chapter 4
Problems
1) A dart is thrown horizontally with an initial speed of 9 m/s toward point P, the bull's-eye
on a dart board. It hits at point Q on the rim, vertically below P, 0.25 s later. Neglect air
resistance.
General Physics I 2048
Homework #2
Problems
1) During a hard sneeze, your eyes might shut for 0.50 s. If you are driving a car at 90 km/h during such a
sneeze, how far does the car move during that time?
vt 0.5 s
90 km 1 h 1 min 1000 m
12.5 m
h 60 min 60
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General Physics I
Homework 5
4) While two forces act on it, a particle is to move at the constant velocity v = (3 m/s) - (4 m/s)
. One of the forces is F1 = (5 N) + (- 5 N) . What is the other force?
If the particle moves at constant velocity v con
General Physics I 2048 SPRING 2015
Chapter 3
Problems
1) What are the x and y components of a vector a in the xy plane if its direction
is 135 counterclockwise from the positive direction of the x axis and its magnitude
is 8.3 m?
x 8.3cos(180 135) 8.3cos(
GENERALPHYSICS2048SPRING2015
CHAPTER1
1)Jupiter is approximately a sphere of radius 6.99 x 107 m.
a) What is its circumference in kilometers? C 2 r
C 2 (6.99 107 m) 4.3 108 m 4.3 105 km
b) What is its surface area in square kilometers?
S 4 r 2 4 (6.99 107
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ID_
Physics 2049
E&M Oscillations and AC CA21
You are stranded on a deserted island with little hope of rescue. You have a satellite phone, but it
is not charged. Luckily for you, you have acquired MacGyver skills from taking General Physics
II. Yo
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ID_
Physics 2049
E&M Oscillations and AC CA20
An LC circuit is shown in the figure below. When the switch is thrown to position A the circuit
can charge. If the switch is then thrown to position B the LC circuit can then exhibit an oscillation.
a)
Physics 123
Quiz #7
Name:_
Diffraction and Interference
Problem #1 (10 points): A diffraction grating has a line density of 660 lines per millimeter. If this grating
produces a 1st order maximum at a distance of 2.45 meters from the central maximum on a s
Physics 123
Quiz #7
Name:_
Diffraction and Interference
Problem #1 (10 points): A diffraction grating has a line density of 660 lines per millimeter. If
this grating produces a 1st order maximum at a distance of 2.45 meters from the central
maximum on a s
Physics 123
Quiz #6 - Solution
Name:_
Lens Systems
Problem #1 (20 points): A lens system consists of the two lenses shown in the diagram below. The focal length
of the first lens is 25 cm (you must decide upon the correct sign) and the second lens has a f
Physics 123
Quiz #6
Name:_
Lens Systems
Problem #1 (20 points): A lens system consists of the two lenses shown in the diagram below.
The focal length of the first lens is 25 cm (you must decide upon the correct sign) and the
second lens has a focal length
Physics 123
Quiz #5 - Solution
Name:_
Lenses and Mirrors
Problem #1 (10 points): A concave mirror of focal length 20 cm (you need to choose which
sign to pick) is used to produce an image with a magnification of +1.45.
a) Where will the image and object b
Physics 123
Quiz #5
Name:_
Lenses and Mirrors
Problem #1 (10 points): A concave mirror of focal length 20 cm (you need to choose which
sign to pick) is used to produce an image with a magnification of +1.45.
a) Where will the image and object be located t
Physics 123
Quiz #4 - Solution
Name:_
Doppler Effect and Optics
Problem #1 (10 points): A radar station using a wavelength of 0.03312520 meters detects an airplane flying in
the distance. The frequency of the reflected wave is 9.0565332 x 109 Hz. What is
Physics 123
Quiz #4
Name:_
Doppler Effect and Optics
Problem #1 (10 points): A radar station using a wavelength of 0.03312520 meters detects an
airplane flying in the distance. The frequency of the reflected wave is 9.0565332 x 109 Hz.
What is the velocit
Physics 123
Quiz #3 - Solution
Name:_
Standing Waves
Problem #1 (20 points): A 500 gram spring is stretched to a tension of 75 Newtons using a spring scale. When
the spring is driven with an oscillation frequency of 10 Hz, a fourth harmonic standing wave
Physics 123
Quiz #3
Name:_
Standing Waves
Problem #1 (20 points): A 500 gram spring is stretched to a tension of 75 Newtons using a
spring scale. When the spring is driven with an oscillation frequency of 10 Hz, a fourth
harmonic standing wave is produced
Physics 123
Quiz #2 - Solution
Name:_
Pendula and Damped Oscillations
Problem #1 (10 points): A physical pendula consists of a single bar of steel that has a mass of 7.5 kg and a
length of 3.0 meters. The pendula is suspended with a nail through a hole th
Physics 123
Quiz #2
Name:_
Pendula and Damped Oscillations
Problem #1 (10 points): A physical pendula consists of a single bar of steel that has a mass of
7.5 kg and a length of 3.0 meters. The pendula is suspended with a nail through a hole that has
been
Physics 123
Quiz #1 - Solution
Name:_
Syllabus and Oscillations
Problem #1 (10 points): READ YOUR SYLLABUS! (No Sample Questions)
Problem #2 (10 points): A 2.0 kg air cart is set into oscillation by attaching it to a spring. The
position, velocity and acc
Physics 123
Quiz #1
Name:_
Syllabus and Oscillations
Problem #1 (10 points): READ YOUR SYLLABUS! (No Sample Questions)
Problem #2 (10 points): A 2.0 kg air cart is set into oscillation by attaching it to a spring. The
position, velocity and acceleration a