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The figure shows a pV diagram for 2.9 g of ideal oxygen gas O2 in a sealed container. The ...
The figure shows a pV diagram for 2.9 g of ideal oxygen gas O2 in a sealed container. The ...
[html]The figure shows a pV diagram for 2.9 g of ideal oxygen gas O2 in a sealed container. The temperature of state 1 is 76° C, the atomic mass of the oxygen atom is
CaptainTrout   316   2 Replies
Anonymous
A year ago
If Planck's constant were ten times smaller than it is, quantum effects would be
If Planck's constant were ten times smaller than it is, quantum effects would be
If Planck's constant were ten times smaller than it is, quantum effects would be
A) easier to detect.
B) more difficult to detect.
C) neither easier nor more difficult to detect.
einsteindude   674   3 Replies
A year ago
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an axial ...
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an axial ...
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an axial spin rate 1/2 that of Earth. With g representing, as usual, the acceleration due to gravity on the surface of Earth, the acceleration due to gravity
GollumOfOz   868   4 Replies
Anonymous
A year ago
A 7.5-kg otter slides down a hill, starting from rest at the top. The sloping surface of the hill is ...
A 7.5-kg otter slides down a hill, starting from rest at the top. The sloping surface of the hill is ...
A 7.5-kg otter slides down a hill, starting from rest at the top. The sloping surface of the hill is 8.8 m long, and the top is 6.5 m above the base. If the speed of the otter at the bottom of the hill is 9.2 m/s, how much energy of the otter-Earth s
Pd96   1334   6 Replies
A year ago
A red curling rock with a mass of 18.8 kg, travelling straight down a sheet of ice at 0.264 m/s, col
A red curling rock with a mass of 18.8 kg, travelling straight down a sheet of ice at 0.264 m/s, col
A red curling rock with a mass of 18.8 kg, travelling straight down a sheet of ice at 0.264 m/s, collides with a stationary blue curling rock of the same mass. After the contact, the blue rock moves at 0.132 m/s at an angle of 65°. Calculate the velo
nauticalpal   595   2 Replies
A year ago
Kinematics problem set 2 question 55
Kinematics problem set 2 question 55
Assuming no air resistance, how long does it take for a penny to fall if it was thrown down with an initial velocity of 5.0m/s from the CN tower(553)? This is similar to another question that I asked but I don't really know how to do it.
S.v   249   2 Replies
A year ago
Kinematics Problem set 2
Kinematics Problem set 2
Assuming no air resistance, how long does it take a penny to fall from the CN tower (553m)? Acceleration due to gravity is 9.8m/s^2
S.v   300   3 Replies
A year ago
Abby throws a ball straight up and times it. She sees that the ball goes by the top of a flagpole ...
Abby throws a ball straight up and times it. She sees that the ball goes by the top of a flagpole ...
Abby throws a ball straight up and times it. She sees that the ball goes by the top of a flagpole after 0.50 s and reaches the level of the top of the pole after a total elapsed time of 4.1 s. What was the speed of the ball at as it passed the top of
Pd96   440   3 Replies
A year ago
Who is credited with first speculating that matter is composed of tiny unseen units?
Who is credited with first speculating that matter is composed of tiny unseen units?
Who is credited with first speculating that matter is composed of tiny unseen units?

▸ Democritus

▸ Aristarchus

▸ Aristotle

▸ Newton

▸ Einstein
Melly767   179   1 Reply
A year ago
Which of the fundamental interactions governs the following decay? ?
Which of the fundamental interactions governs the following decay? ?
[html]Which of the fundamental interactions governs the following decay?
SeaBass2013   157   1 Reply
A year ago
Which of the fundamental interactions governs the following decay?
Which of the fundamental interactions governs the following decay?
[html]Which of the fundamental interactions governs the following decay?
hussainizzle   147   1 Reply
A year ago
Which of the following particles not considered to be elementary?
Which of the following particles not considered to be elementary?
Which of the following particles not considered to be elementary?

▸  the electron

▸  the electron antineutrino

▸  the neutron

▸  the muon

▸  the tau
fatsoulmh   153   1 Reply
A year ago
Which of the following particles interact via the strong interaction?
Which of the following particles interact via the strong interaction?
Which of the following particles interact via the strong interaction?

▸ gravitons

▸ quarks

▸ leptons

▸ neutrinos

▸ photons
tls043   159   1 Reply
A year ago
Which of the following particles does not take part in mediating the weak interaction?
Which of the following particles does not take part in mediating the weak interaction?
[html]Which of the following particles does not take part in mediating the weak interaction?

▸  W+

▸ W−

▸ π0

▸  Z0

▸ All these choices a
punkybrewster   163   1 Reply
A year ago
Which of the following is not an abbreviation for a quark flavor?
Which of the following is not an abbreviation for a quark flavor?
Which of the following is not an abbreviation for a quark flavor?

▸ u

▸ s

▸ b

▸ t

▸ r
phoebe.lou   156   1 Reply
A year ago
Which of the following is not a color charge associated with the strong interaction?
Which of the following is not a color charge associated with the strong interaction?
Which of the following is not a color charge associated with the strong interaction?

▸  red

▸  blue

▸  yellow

▸  green

▸ All of these are color charges for the strong interaction.
ahyukj   163   1 Reply
A year ago
Which of the conservation laws listed below would definitely be violated in the following reaction? ...
Which of the conservation laws listed below would definitely be violated in the following reaction? ...
Which of the conservation laws listed below would definitely be violated in the following reaction?  π+ + p → p + π−?

▸  baryon number

▸ energy

▸ momentum

▸ charge
npdtan92   171   1 Reply
A year ago
Which of the answer choices below could be the unknown particle X in the following reaction?
Which of the answer choices below could be the unknown particle X in the following reaction?
[html]Which of the answer choices below could be the unknown particle X in the following reaction?
reync89   177   1 Reply
A year ago
Which force does not diminish with increasing distance?
Which force does not diminish with increasing distance?
[html]Which force does not diminish with increasing distance?

▸ the force between quarks

▸ the force between opposite charges

▸ the force between masses

▸  the force between magnets

▸  None of these choices
Hareplity   147   1 Reply
A year ago
The weak interaction is mediated by
The weak interaction is mediated by
The weak interaction is mediated by

▸ gluon.

▸ photon.

▸ mesons.

▸ W+, W−, Z0.

▸ leptons.
biokam   148   1 Reply
A year ago
The top quark has a mass of about 173 GeV/c2. What is its mass in atomic mass units?
The top quark has a mass of about 173 GeV/c2. What is its mass in atomic mass units?
The top quark has a mass of about 173 GeV/c2. What is its mass in atomic mass units?

▸ 175 u

▸ 186 u

▸ 163 u

▸ 58 u

▸ 19 u
minaebied   144   1 Reply
A year ago
The standard model does not include which interaction?
The standard model does not include which interaction?
The standard model does not include which interaction?

▸ electromagnetic

▸ gravitational

▸ weak

▸ strong

▸ It includes all of these choices.
atomicyoyo   131   1 Reply
A year ago
The quark structure of the neutron is
The quark structure of the neutron is
[html]The quark structure of the neutron is

▸  uub

▸  udb

▸  udd

▸  uds

▸
drdoombot   134   1 Reply
A year ago
The proton has the quark structure
The proton has the quark structure
[html]The proton has the quark structure

▸ uud

▸ udd

▸
mrtrombley92   126   1 Reply
A year ago
The neutron decays into a proton, electron, and an electron antineutrino. Into what does the ...
The neutron decays into a proton, electron, and an electron antineutrino. Into what does the ...
[html]The neutron decays into a proton, electron, and an electron antineutrino. Into what does the antineutron decay?

▸  a proton, positron, and electron antineutrino

▸  an antiproton, positron, and electron neutrino

▸  a
ken80   141   1 Reply
A year ago
The neutrino does not
The neutrino does not
The neutrino does not

▸ have electric charge.

▸ interact with other particles.

▸ have momentum.

▸ have energy.

▸ have mass.
chief333   137   1 Reply
A year ago
The neutral pion decays by 0 2. The mass of the neutral pion is 135 MeV/c2. What is the energy of ...
The neutral pion decays by 0 2. The mass of the neutral pion is 135 MeV/c2. What is the energy of ...
[html]The neutral pion decays by π0→ 2ϒ. The mass of the neutral pion is 135 MeV/c2. What is the energy of each of the photons if the pion is at rest when it decays?

▸  270 MeV

▸  135 MeV

▸
onlineerica   156   1 Reply
A year ago
The most recent unification of fundamental forces included which interactions?
The most recent unification of fundamental forces included which interactions?
[html]The most recent unification of fundamental forces included which interactions?

▸ electromagnetic and gravitational

▸ electromagnetic and strong

▸ electromagnetic and weak

▸ strong and weak

▸ gravitatio
NinjaRick   160   1 Reply
A year ago
The meson having which of the following quark contents is electrically neutral?
The meson having which of the following quark contents is electrically neutral?
[html] The meson having which of the following quark contents is electrically neutral?

▸
tweb28   144   1 Reply
A year ago
The meson having which of the following quark contents has electric charge e?
The meson having which of the following quark contents has electric charge e?
[html]The meson having which of the following quark contents has electric charge −e?

▸
mrtrombley92   140   1 Reply
A year ago
The LHC is located at CERN in
The LHC is located at CERN in
The LHC is located at CERN in

▸  Germany and Poland.

▸  Switzerland and France.

▸  France and Belgium.

▸  the United States and Canada.

▸  Texas.
Lettucebereal   126   1 Reply
A year ago
The exchange particles for the strong interaction are
The exchange particles for the strong interaction are
The exchange particles for the strong interaction are

▸  positrons

▸  quarks

▸  leptons

▸  gluons

▸  muons
teranine   139   1 Reply
A year ago
The exchange particle that mediates the strong interaction is the
The exchange particle that mediates the strong interaction is the
The exchange particle that mediates the strong interaction is the

▸ gluon.

▸ photon.

▸ graviton.

▸ neutrino.
jene277   130   1 Reply
A year ago
The electron antineutrino is which of the following types of particle?
The electron antineutrino is which of the following types of particle?
The electron antineutrino is which of the following types of particle?

▸ meson

▸ baryon

▸ hadron

▸ lepton

▸ quark
jarzola   122   1 Reply
A year ago
The baryon having which of the following quark contents is electrically neutral?
The baryon having which of the following quark contents is electrically neutral?
The baryon having which of the following quark contents is electrically neutral?

▸ dds

▸ bbc

▸ uud

▸ ucs
Trey4sho   146   1 Reply
A year ago
The baryon having which of the following quark contents has electric charge e?
The baryon having which of the following quark contents has electric charge e?
The baryon having which of the following quark contents has electric charge −e?

▸ csd

▸ dds

▸ uud

▸ bbc
ericayi   163   1 Reply
A year ago
That matter is composed of quarks was first proposed by
That matter is composed of quarks was first proposed by
That matter is composed of quarks was first proposed by

▸ Blatt and Weiskopf.

▸ Gell-Mann and Zweig.

▸ Rutherford and Geiger.

▸ Bardeen and Cooper.

▸ Feynman and Schwinger.
cassandra_dan   123   1 Reply
A year ago
SLAC is an abbreviation for a
SLAC is an abbreviation for a
 SLAC is an abbreviation for a

▸  linear accelerator.

▸  synchrotron.

▸  storage lane.

▸  machine at Fermilab.

▸  machine at CERN.
shbensonjr   141   1 Reply
A year ago
Quarks come in how many flavors?
Quarks come in how many flavors?
 Quarks come in how many flavors?

▸  2

▸  3

▸  4

▸  5

▸  6
Ryan37sport   133   1 Reply
A year ago
Quark flavors include
Quark flavors include
Quark flavors include

▸ up, down.

▸ red, green.

▸ muon, pion.

▸ cyan, magenta.

▸ lepton, gluon.
darkfire12   117   1 Reply
A year ago
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