“thought experiment” regarding time dilation
... train. If an observer sitting in the position M’ in the train did not possess this velocity, then he would remain permanently at M, and the light rays emitted by the flashes of lightning A and B would reach him simultaneously, i.e. they would meet just where he is situated. Now in reality (considere ...
... train. If an observer sitting in the position M’ in the train did not possess this velocity, then he would remain permanently at M, and the light rays emitted by the flashes of lightning A and B would reach him simultaneously, i.e. they would meet just where he is situated. Now in reality (considere ...
Homework
... • The laws of physics are the same for all inertial observers (inertial reference frames). • The speed of light in vacuum is a universal constant, independent of the motion of source and observer. • The space and time intervals between two events are different for different observers, but the spacet ...
... • The laws of physics are the same for all inertial observers (inertial reference frames). • The speed of light in vacuum is a universal constant, independent of the motion of source and observer. • The space and time intervals between two events are different for different observers, but the spacet ...
Sample Final Exam Physics 131 Spring 2009
... 12) Jane pushes a box 6 m by applying a 25 N force at an angle 25 degrees above the horizontal. What ...
... 12) Jane pushes a box 6 m by applying a 25 N force at an angle 25 degrees above the horizontal. What ...
Speed of Light
... Up to now, we have more or less assumed, maybe without thinking about it, that there is one best system with one absolute time. Einstein had a different thought: Einstein said: If all the laws of physics apply in all inertial frames, why should the speed of light be different in all those inertial f ...
... Up to now, we have more or less assumed, maybe without thinking about it, that there is one best system with one absolute time. Einstein had a different thought: Einstein said: If all the laws of physics apply in all inertial frames, why should the speed of light be different in all those inertial f ...
Do Black Holes Really Exist?
... • Whenever a material body or elementary particle reaches the speed the speed of light, it does so only by converting all of its mass into kinetic energy. It is for this reason that in our theory black holes simply do not exist. ...
... • Whenever a material body or elementary particle reaches the speed the speed of light, it does so only by converting all of its mass into kinetic energy. It is for this reason that in our theory black holes simply do not exist. ...
Do Black Holes Really Exist?
... • Whenever a material body or elementary particle reaches the speed the speed of light, it does so only by converting all of its mass into kinetic energy. It is for this reason that in our theory black holes simply do not exist. ...
... • Whenever a material body or elementary particle reaches the speed the speed of light, it does so only by converting all of its mass into kinetic energy. It is for this reason that in our theory black holes simply do not exist. ...
Einstein`s Electrodynamic Pathway to Special Relativity
... The process started in a way that was not very clear, and is therefore difficult to describe—in a certain state of being puzzled. First came such questions as: What if one were to run after a ray of light? What if one were riding on the beam? If one were to run after a ray of light as it travels, wo ...
... The process started in a way that was not very clear, and is therefore difficult to describe—in a certain state of being puzzled. First came such questions as: What if one were to run after a ray of light? What if one were riding on the beam? If one were to run after a ray of light as it travels, wo ...
Sample pages 2 PDF
... as well because bodies that are not subjected to unbalanced forces will still continue to move at constant velocities relative to these frames; all that happens is that each original constant velocity will just change to a new constant velocity as a result of the transformation. In addition to the g ...
... as well because bodies that are not subjected to unbalanced forces will still continue to move at constant velocities relative to these frames; all that happens is that each original constant velocity will just change to a new constant velocity as a result of the transformation. In addition to the g ...
PPT
... view (i.e., in its own “rest frame”), there can’t be a magnetic force on it, but there must be some kind of force, because the charge is accelerating. So, the principle of relativity tells us that the charge must see an electric field in its rest frame. (Why must it be an electric field?) How can th ...
... view (i.e., in its own “rest frame”), there can’t be a magnetic force on it, but there must be some kind of force, because the charge is accelerating. So, the principle of relativity tells us that the charge must see an electric field in its rest frame. (Why must it be an electric field?) How can th ...
Q- A skydiver of mass 80.0 kg jumps from a slow
... b) What is the drag force on the skydiver when her speed is 50.0 m/s c) What is the drag force on the skydiver when her speed is 30.0 m/s? The air drag is proportional to the square of the velocity of the falling body and increases with speed in magnitude. When the diver is falling, the forces actin ...
... b) What is the drag force on the skydiver when her speed is 50.0 m/s c) What is the drag force on the skydiver when her speed is 30.0 m/s? The air drag is proportional to the square of the velocity of the falling body and increases with speed in magnitude. When the diver is falling, the forces actin ...
Speed of light - should be measured once again
... from which it follows that the magnetism is with respect to electrostatic interaction only a second order effect. In accordance with formula (6), one of the quantities 0 and 0 can be chosen arbitrarily, while the other one or b should be determined experimentally. For example, putting in the SI sy ...
... from which it follows that the magnetism is with respect to electrostatic interaction only a second order effect. In accordance with formula (6), one of the quantities 0 and 0 can be chosen arbitrarily, while the other one or b should be determined experimentally. For example, putting in the SI sy ...
Motion
... A mail truck takes 20 s to move between mailboxes that are 10 m apart. What is the average speed of the mail truck? ...
... A mail truck takes 20 s to move between mailboxes that are 10 m apart. What is the average speed of the mail truck? ...
poject1
... This ultimate limit changes the rule of velocity addition when relativistic approach is taken. At this point, a new velocity addition rule is required. This new addition formula should yield the same results independent of the observer’s reference frame. If we take a detailed look at the results of ...
... This ultimate limit changes the rule of velocity addition when relativistic approach is taken. At this point, a new velocity addition rule is required. This new addition formula should yield the same results independent of the observer’s reference frame. If we take a detailed look at the results of ...
Relativity1
... Now let’s return to the light from the car’s headlights. If the light beam acts like a ball thrown forward, we would measure a different velocity for the light depending on whether we were in the car or on the sidewalk. Also, Maxwell’s Equations would have to be modified to account for a velocity di ...
... Now let’s return to the light from the car’s headlights. If the light beam acts like a ball thrown forward, we would measure a different velocity for the light depending on whether we were in the car or on the sidewalk. Also, Maxwell’s Equations would have to be modified to account for a velocity di ...
PH2011 - Physics 2A - University of St Andrews
... - Apply concepts of classical mechanics to derive equations of motion for oscillatory systems. - For undamped and simple cases of damped, forced and coupled oscillations, solve the resulting equations of motion and distinguish between general and specific solutions. - Represent oscillatory motion ph ...
... - Apply concepts of classical mechanics to derive equations of motion for oscillatory systems. - For undamped and simple cases of damped, forced and coupled oscillations, solve the resulting equations of motion and distinguish between general and specific solutions. - Represent oscillatory motion ph ...
Science: Balls and Ramps
... Before beginning this set of experiments, students learned about Newton’s quest to understand the laws of motion. They explored forces and inertia using a flat sheet of Plexiglas, a wooden block, and a marble. Using balls and ramps, students then experimented with the principles of velocity, momentu ...
... Before beginning this set of experiments, students learned about Newton’s quest to understand the laws of motion. They explored forces and inertia using a flat sheet of Plexiglas, a wooden block, and a marble. Using balls and ramps, students then experimented with the principles of velocity, momentu ...
Relativity Presentation
... 2. Maxwell’s (very ‘elegant’) equations suggested: light is an electromagnetic wave and has a fixed speed whatever frame of reference! this speed was assumed to be the speed through the aether (to make it consistent with the principle of relativity) ...
... 2. Maxwell’s (very ‘elegant’) equations suggested: light is an electromagnetic wave and has a fixed speed whatever frame of reference! this speed was assumed to be the speed through the aether (to make it consistent with the principle of relativity) ...
Lecture 1
... ⇒ Light should not be able to escape ⇒ object would be completely dark. ⇒ It would be a “black hole” ...
... ⇒ Light should not be able to escape ⇒ object would be completely dark. ⇒ It would be a “black hole” ...
Motion with a constant speed - St. Thomas the Apostle School
... • Motion with a constant speed- If an item travels in a speed that does not slow dow, nor speed up. For example: A car traveling on a highway • Changing speed: intervals of speeding up and slowing down. For example-A car at a stop sign. • Average speed- The total distance traveled divided by the to ...
... • Motion with a constant speed- If an item travels in a speed that does not slow dow, nor speed up. For example: A car traveling on a highway • Changing speed: intervals of speeding up and slowing down. For example-A car at a stop sign. • Average speed- The total distance traveled divided by the to ...
Special Relativity
... • In 1905, Einstein’s first paper on relativity dealt only with inertial reference frames (constant velocity). • 10 years later, he published a more encompassing theory of relativity that considered accelerated motion and it’s connection to gravity. This was a discussion of “general” relativity. • H ...
... • In 1905, Einstein’s first paper on relativity dealt only with inertial reference frames (constant velocity). • 10 years later, he published a more encompassing theory of relativity that considered accelerated motion and it’s connection to gravity. This was a discussion of “general” relativity. • H ...
Vocabulary 7.1 Force and Motion
... particular instant in time. On the average, your car was moving with a speed of 25 miles per hour. • https://www.khanacademy.org/science/physics/one-dimensionalmotion/displacement-velocity-time/v/instantaneous-speed-andvelocity ...
... particular instant in time. On the average, your car was moving with a speed of 25 miles per hour. • https://www.khanacademy.org/science/physics/one-dimensionalmotion/displacement-velocity-time/v/instantaneous-speed-andvelocity ...
Slide 1
... “While it is never safe to affirm that the future of Physical Science has no marvels in store even more astonishing than those of the past, it seems probable that most of the grand underlying principles have been firmly established and that further advances are to be sought chiefly in the rigorous a ...
... “While it is never safe to affirm that the future of Physical Science has no marvels in store even more astonishing than those of the past, it seems probable that most of the grand underlying principles have been firmly established and that further advances are to be sought chiefly in the rigorous a ...
The Theory of Anti-Relativity, Chapter 1
... Finally, it has been disclosed by insiders within the space program, N.A.S.A., of a “certain complication”. It was found that when far outside the Earth’s field of influence the stars and sun are NOT VISIBLE! However, the Earth and the Moon are plainly visible. No direct light in outer space, only t ...
... Finally, it has been disclosed by insiders within the space program, N.A.S.A., of a “certain complication”. It was found that when far outside the Earth’s field of influence the stars and sun are NOT VISIBLE! However, the Earth and the Moon are plainly visible. No direct light in outer space, only t ...
Tests of special relativity
Special relativity is a physical theory that plays a fundamental role in the description of all physical phenomena, as long as gravitation is not significant. Many experiments played (and still play) an important role in its development and justification. The strength of the theory lies in its unique ability to correctly predict to high precision the outcome of an extremely diverse range of experiments. Repeats of many of those experiments are still being conducted with steadily increased precision, with modern experiments focusing on effects such as at the Planck scale and in the neutrino sector. Their results are consistent with the predictions of special relativity. Collections of various tests were given by Jakob Laub, Zhang, Mattingly, Clifford Will, and Roberts/Schleif.Special relativity is restricted to flat spacetime, i.e., to all phenomena without significant influence of gravitation. The latter lies in the domain of general relativity and the corresponding tests of general relativity must be considered.