1.–/1 points Charged ParticlesMy Notes | Question Part Points Submissions Used W
ID: 1983428 • Letter: 1
Question
1.–/1 points Charged ParticlesMy Notes |Question Part
Points
Submissions Used
Which of the following have a non-zero charge? Choose all that apply.
Neutrino
Electron
Ion
Proton
Neutron
2.–/1 points Coulomb's LawMy Notes |
Question Part
Points
Submissions Used
Calculate the electrostatic force between an electron and a neutrino that are 50 ft apart.
N
3.–/1 points Electrostatic Force UnitsMy Notes |
Question Part
Points
Submissions Used
Which of the following are acceptable units for the electrostatic force? Choose all that apply.
oz
tons
N
A
W
O
kW?h
C
V
lb
4.–/1 points SuperconductorsMy Notes |
Question Part
Points
Submissions Used
A new material is found to be superconducting below 25 K. How much resistance will a 91 mm long sample of this material have if it is at a temperature of 22.5 K while connected to a 5 V AC-power supply?
O
5.–/1 points Series CircuitsMy Notes |
Question Part
Points
Submissions Used
Which of the following diagrams show THREE resistors connected in SERIES? Choose all that apply.
a.) b.) c.)
d.) e.) f.)
a
b
c
d
e
f
6.–/1 points Parallel CircuitsMy Notes |
Which of the following diagrams show THREE resistors connected in PARALLEL? Choose all that apply.
a.) b.) c.)
d.) e.) f.)
a
b
c
d
e
f
7.–/1 points Magnetic FieldsMy Notes |
Which of the following will create a MAGNETIC FIELD? Choose all that apply.
A proton that is stationary.
A neutron that is slowing down from 500 km/h to 400 km/h.
A neutrino moving in a circle while traveling at a constant speed of 20 in/min.
An ion moving at a constant velocity of 60 mph due north.
An electron that is speeding up from 1000 m/s to 1200 m/s.
8.–/5 points Electric Energy DevicesMy Notes |
Identify which device performs in the manner described.
a.) This device turns electrical energy into kinetic energy.
b.) This device turns electrical energy into sound energy.
c.) This device turns electrical energy into thermal energy.
d.) This device turns sound energy into electrical energy.
e.) This device turns kinetic energy into electrical energy.
9.–/1 points EM Wave EmissionMy Notes |
Question Part
Points
Submissions Used
Which of the following will emit an EM WAVE? Choose all that apply.
An ion moving at a constant velocity of 60 mph due north.
An electron moving in a circle while traveling at a constant speed of 20 in/min.
A proton that is stationary.
A neutrino that is slowing down from 500 km/h to 400 km/h.
A neutron that is speeding up from 1000 m/s to 1200 m/s.
10.–/1 points EM WavesMy Notes |
Question Part
Points
Submissions Used
Which of the following EM waves travel the fastest through a vacuum? Choose all that apply.
Radio Waves
Ultraviolet
High-Frequency EM Waves
Visible Light
X-rays
11.–/1 points Sound Waves 1My Notes |
Question Part
Points
Submissions Used
The sound waves emanating from a loud event are traveling through the air at 333 m/s. If another event occurs that is only one-ninth as loud, how fast will its sound waves travel through the same air?
m/s
12.–/1 points Doppler Effect 1My Notes |
In which of the following will there be a Doppler Effect? Choose all that apply.
A police car with its siren on is circling you. You are stationary.
A fire truck with its siren on is stationary. You are moving away from it while traveling 50 mph.
An ambulance with its siren on is moving away from you while traveling 50 mph. You are moving towards it while traveling 40 mph.
A train with its horn blaring is moving towards you while traveling 40 mph. You are moving away from it while traveling 50 mph.
A marching band playing the 1812 Overture is moving towards you while traveling 40 ft/min. You are stationary.
13.–/1 points Lenses 1My Notes |
Question Part
Points
Submissions Used
If you are told an image is real and you know it was made by a single optic (either a lens or a mirror), which of the following must be true? Choose all that apply.
The image distance is positive.
The image distance is negative.
The image is inverted.
The image is upright.
The image height is positive.
The image height is negative.
The magnification of the image is positive.
The magnification of the image is negative.
It was made by a converging optic.
It was made by a diverging optic.
The focal length of the optic is positive.
The focal length of the optic is negative.
Explanation / Answer
Calculate the electrostatic force between an electron and a neutrino that are 50 ft apart. N
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