RavenLynette
 Name:
 Raven Utley
 School:
 About:
 Blah blah blah :) pple make up stuff anyways
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 Questions Asked
 91
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 Medals Received
 9

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 0
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 Medals Received
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 Questions Asked
 61
 Questions Answered
 45
 Medals Received
 21

 Questions Asked
 0
 Questions Answered
 4
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 91
 Questions Answered
 23
 Medals Received
 9

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 61
 Questions Answered
 45
 Medals Received
 21

 Questions Asked
 0
 Questions Answered
 4
 Medals Received
 0

0 
Questions Asked

RavenLynette:
Group Title
It is often convenient to express the constant ¯h = 1.055 × 10−34 J · s in units of MeV · s rather than J · s.
Find ¯h in MeV · s.
Answer …
 updated 9 months ago
 2 replies
 1 Medal
Mathematics

RavenLynette:
Group Title
It is often convenient to express the constant
¯h = 1.055 × 10−34 J · s in units of MeV · s
rather than J · s.
…
 updated 9 months ago
 No Medals Yet
Mathematics

RavenLynette:
Group Title
The resolving power of a microscope depends
on the wavelength of the photon used to examine the object that is observed.
What is the energ…
 updated 9 months ago
 No Medals Yet
Mathematics

RavenLynette:
Group Title
A soap film appears red (of wavelength
650 nm) when viewed with incident white
light that is perpendicular to the film. If the
…
 updated 9 months ago
 No Medals Yet
Mathematics

RavenLynette:
Group Title
A 298 nm thin film with index of refraction
1.77 floats on water (with index of refraction
1.333).
…
 updated 9 months ago
 No Medals Yet
Mathematics

RavenLynette:
Group Title
The secondorder bright fringe in a single
slit diffraction pattern is 1.47 mm from the
center of the central maximum. The screen is
…
 updated 9 months ago
 2 replies
 No Medals Yet
Mathematics

RavenLynette:
Group Title
Two slits are illuminated by a 375 nm light.
The angle between the zerothorder bright
band at the center of the screen and the
…
 updated 9 months ago
 4 replies
 2 Medals
Mathematics

RavenLynette:
Group Title
If the police radar gun transmits at a fre
quency of 11.529 GHz (known as the “X
band”, between 8 GHz and 12 GHz), and is
…
 updated 9 months ago
 3 replies
 1 Medal
Mathematics

RavenLynette:
Group Title
The frequency of a wave does not change as
the wave moves from one material to another.
Find the wavelength of this wave in vacuum.
…
 updated 9 months ago
 2 replies
 2 Medals
Mathematics

RavenLynette:
Group Title
What is the wavelength corresponding to a
frequency of 1 × 1020 Hz of electromagnetic
wave in free space? The speed of light is
…
 updated 9 months ago
 No Medals Yet
Mathematics

RavenLynette:
Group Title
A train is moving parallel and adjacent to a
highway with a constant speed of 22 m/s. A
car, at time t0, is 21.5 m behind the train,
…
 updated 10 months ago
 7 replies
 1 Medal
Mathematics

RavenLynette:
Group Title
A train is moving parallel and adjacent to a
highway with a constant speed of 22 m/s. A
car, at time t0, is 21.5 m behind the train,
…
 updated 10 months ago
 No Medals Yet
Mathematics

RavenLynette:
Group Title
The speed of a sound wave in seawater is
approximately 1500 m/s.
If this wave is transmitted at 10 ms−1, what
…
 updated 10 months ago
 16 replies
 1 Medal
Mathematics

RavenLynette:
Group Title
A stretched string is fixed at both ends which
are 550 cm apart.
If the density of the string is 0.035 g/cm,
…
 updated 10 months ago
 8 replies
 1 Medal
Mathematics

RavenLynette:
Group Title
A jet fighter plane travels in horizontal flight
at Mach 1.87.
At the instant an observer on the ground
…
 updated 10 months ago
 No Medals Yet
Mathematics

RavenLynette:
Group Title
Please help!
A string 70.2 cm long has a mass per unit
length of 0.000135 kg/m.
…
 updated 10 months ago
 20 replies
 2 Medals
Mathematics

RavenLynette:
Group Title
A horizontal circular wire loop of radius 0.5 m
lies in a plane perpendicular to a uniform
magnetic field pointing from above into the
…
 updated 10 months ago
 3 replies
 No Medals Yet
Mathematics

RavenLynette:
Group Title
A hair drier uses 9 A at 120 V. It is used
with a transformer in England, where the line
voltage is 237 V.
…
 updated 10 months ago
 3 replies
 1 Medal
Mathematics

RavenLynette:
Group Title
A circular coil of wire 4.22 cm in diameter
has a resistance of 4.7 ohms It is located in
a magnetic field of 0.149 T directed at right
…
 updated 11 months ago
 1 reply
 1 Medal
Mathematics

RavenLynette:
Group Title
A battery has an emf of 12 V and an internal resistance of 0.13 ohms Its terminals are
connected to a load resistance of 3 ohms Find the cu…
 updated 11 months ago
 1 reply
 1 Medal
Mathematics

RavenLynette:
Group Title
In a particular television tube, a beam of
electrons has a current of 4.4 × 10−5 A.
How long does it take for 6.4 × 1014 elec
…
 updated 11 months ago
 No Medals Yet
Mathematics

RavenLynette:
Group Title
Please Help
A total charge of 16 mC passes through a
crosssectional area of a nichrome wire in 4.4 s.
…
 updated 11 months ago
 3 replies
 1 Medal
Mathematics

RavenLynette:
Group Title
If the current in a wire of a CD player is 14.0
mA, how long would it take for 3.20 C of
charge to pass a point in this wire?
…
 updated 11 months ago
 1 reply
 1 Medal
Mathematics

RavenLynette:
Group Title
A proton is accelerated from rest through a
potential difference of 120 V.
Calculate the final speed of this proton.
…
 updated 11 months ago
 No Medals Yet
Mathematics

RavenLynette:
Group Title
Calculate the speed of a proton that is accelerated from rest through a potential difference
of 198 V.
Answer in units of m/s
 updated 11 months ago
 4 replies
 2 Medals
Mathematics

RavenLynette:
Group Title
A particle of mass 1 × 10−5 kg and charge
2 μC moves downward from point A to point
B a distance of 4 m in the earth’s gravita
…
 updated 11 months ago
 2 replies
 1 Medal
Mathematics

RavenLynette:
Group Title
An ion is displaced through a potential
difference of 64 V and experiences an
increase of electrical potential energy of
…
 updated one year ago
 1 reply
 1 Medal
Mathematics

RavenLynette:
Group Title
Please Help Multiple choice!
From the electric field vector at one point, one
can determine which of the following?
…
 updated one year ago
 2 replies
 4 Medals
Mathematics

RavenLynette:
Group Title
We want to find how much charge is on the
electrons in a nickel coin. Follow this method.
A nickel coin has a mass of about 4.4 g.
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

RavenLynette:
Group Title
A particle of mass 83 g and charge 68 μC is
released from rest when it is 36 cm from a
second particle of charge −15 μC.
…
 updated one year ago
 1 reply
 2 Medals
Mathematics
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