Chapter 4 Notes - Newton`s second law
... A car is using a tow bar to pull a trailer along a straight, level road. There are resisting forces R acting on the car and S acting on the trailer. The driving force of the car is D and its braking force is B. Draw diagrams to show the horizontal forces acting on the car and the trailer: i) When th ...
... A car is using a tow bar to pull a trailer along a straight, level road. There are resisting forces R acting on the car and S acting on the trailer. The driving force of the car is D and its braking force is B. Draw diagrams to show the horizontal forces acting on the car and the trailer: i) When th ...
03_E2_ws2_key
... 3. Calculate the gravitational potential difference between: a) point A and the base of the hill GP = gh = (10N/kg)-100m = -1000J/kg b) point B and the base of the hill GP = gh = (10N/kg)-200m = -2000J/kg c) point C and point A GP = gh = (10N/kg) 0m = 0 d) point C and point E GP = gh = (10N/kg)2 ...
... 3. Calculate the gravitational potential difference between: a) point A and the base of the hill GP = gh = (10N/kg)-100m = -1000J/kg b) point B and the base of the hill GP = gh = (10N/kg)-200m = -2000J/kg c) point C and point A GP = gh = (10N/kg) 0m = 0 d) point C and point E GP = gh = (10N/kg)2 ...
Astronomy 112: The Physics of Stars Class 4 Notes: Energy and
... and A = 0 (to good approximation – we can generally neglect the mass of electrons compared to protons and neutrons). The mass fractions Xi can be altered by nuclear reactions, which leave the total mass density fixed (to very good approximation), but convert atoms of one species into atoms of anothe ...
... and A = 0 (to good approximation – we can generally neglect the mass of electrons compared to protons and neutrons). The mass fractions Xi can be altered by nuclear reactions, which leave the total mass density fixed (to very good approximation), but convert atoms of one species into atoms of anothe ...
Synoptic physics paraphrased
... Reveal the path of the particles. A magnetic field is used to deflect the –particles, thus providing information on their charge and momentum. As with the mass spectrometer. Cloud chambers- diffusion type. Tiny drop of alcohol condense around the ionisation trail left by the particles. Supersaturate ...
... Reveal the path of the particles. A magnetic field is used to deflect the –particles, thus providing information on their charge and momentum. As with the mass spectrometer. Cloud chambers- diffusion type. Tiny drop of alcohol condense around the ionisation trail left by the particles. Supersaturate ...
Rotation
... and the Eddington Sweet time scale is about 1012 years, i.e., it is unimportant. It can become more important near the surface though as the density decreases (Kippenhahn 42.36) For a 20 M e star , the Kelvin Helmholtz time scale relative to the nuclear lifetime is about three times greater . More i ...
... and the Eddington Sweet time scale is about 1012 years, i.e., it is unimportant. It can become more important near the surface though as the density decreases (Kippenhahn 42.36) For a 20 M e star , the Kelvin Helmholtz time scale relative to the nuclear lifetime is about three times greater . More i ...
PowerPoint Presentation - Brighter Than a Trillion Suns
... • Lifetimes of cosmic ray muons: they decay in 2.0 microseconds at rest, but travel big distances, implying longer lives (like 44 s) in our frame if they move at 0.999c. • Effective mass increases from rest mass as v c: meff = m • So it’s harder to accelerate a particle that is moving faster (a ...
... • Lifetimes of cosmic ray muons: they decay in 2.0 microseconds at rest, but travel big distances, implying longer lives (like 44 s) in our frame if they move at 0.999c. • Effective mass increases from rest mass as v c: meff = m • So it’s harder to accelerate a particle that is moving faster (a ...
H2 PHYSICS SET B PAPER 1 THE PHYSICS CAFE
... A student performing an experiment whirls a rubber bung attached to one end of a string which passes through a glass tube with smooth openings and has a weight W hanging at its other end. The weight of the rubber bung is much smaller than W. The rubber bung is set into a horizontal uniform circular ...
... A student performing an experiment whirls a rubber bung attached to one end of a string which passes through a glass tube with smooth openings and has a weight W hanging at its other end. The weight of the rubber bung is much smaller than W. The rubber bung is set into a horizontal uniform circular ...
X-Ray Binaries
... . determined from observables P and v2 sin i . for M2 ¿ M1 → f2(M1) ' M1 sin3 i . largest mass of a compact object to-date: > ∼ 10 M¯ (GRS 1915+105) • thermonuclear explosions, once enough H/He fuel has been accreted ...
... . determined from observables P and v2 sin i . for M2 ¿ M1 → f2(M1) ' M1 sin3 i . largest mass of a compact object to-date: > ∼ 10 M¯ (GRS 1915+105) • thermonuclear explosions, once enough H/He fuel has been accreted ...
Review and Radioactivity
... photons (packets of electromagnetic radiation) of discrete energies. The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to a lower energy state (unstable to stable). Gamma ray emission frequently f ...
... photons (packets of electromagnetic radiation) of discrete energies. The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to a lower energy state (unstable to stable). Gamma ray emission frequently f ...
An introduction of the local displacements of mass and electric
... induce mechanical, thermal, and electromagnetic processes in the body (domain (V )) enclosed by surface (6). The electromagnetic field causes the ordering of bound electric charges (polarizations) that is described by densities of electric flux Jes and mass flux Jms . The mass flux is caused by the ...
... induce mechanical, thermal, and electromagnetic processes in the body (domain (V )) enclosed by surface (6). The electromagnetic field causes the ordering of bound electric charges (polarizations) that is described by densities of electric flux Jes and mass flux Jms . The mass flux is caused by the ...
Lecture 1
... Electrons in an atom are each in a particular energy level. When a sample is excited, electrons in the atom take in extra energy by either moving faster or moving out, away from the nucleus. So they move to a higher energy level. Sometimes later, the energy is given out as radiation as the electrons ...
... Electrons in an atom are each in a particular energy level. When a sample is excited, electrons in the atom take in extra energy by either moving faster or moving out, away from the nucleus. So they move to a higher energy level. Sometimes later, the energy is given out as radiation as the electrons ...
17-VoltageCapacitanc..
... Answer: I. Zero II. Down III. Zero. Above and below the plates, the fields from the two plates exactly cancel. Q17-9. The plates of a parallel plate capacitor are charged with equal and opposite charges +Q and -Q. The plates are electrically insulated so their charges cannot change. The plates are ...
... Answer: I. Zero II. Down III. Zero. Above and below the plates, the fields from the two plates exactly cancel. Q17-9. The plates of a parallel plate capacitor are charged with equal and opposite charges +Q and -Q. The plates are electrically insulated so their charges cannot change. The plates are ...
