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suppose you have an accelerating frame which is moving upwards with acceleration g far away from any massive bodies. then according to principles of equivalence an observer in that accelerating frame can't tell if he is accelerating with g (upwards) or there is a gravitational force downwars.
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Question 42 The principle of equivalence in general relativity says that an accelerating reference frame is...
Mach's principle says that it is impossible to tell if something is accelerating unless there is...
Mach's principle says that it is impossible to tell if something is accelerating unless there is something else in the universe to compare that motion to, which seems reasonable. However, if you had one detector in the universe, you seem to be able to tell if it is accelerating because an accelerating detector would record radiation where a non-accelerating detector would not, due to the Unruh effect. So, my question is, does the Unruh effect provide a way to tell...
this answer. Question 6 Relativity. Einstein's first postulate the relativity principle) states that a. at speeds...
this answer. Question 6 Relativity. Einstein's first postulate the relativity principle) states that a. at speeds much less than the speed of light the relativistic formulas reduce to the old classical formulas. Ob the laws of physics have the same form in all inertial reference frames. c. the length of an object moving relative to an observer is measured to be shorter along its direction of motion than when it is at rest O d. the speed of light is...
The special theory of relativity sets a limit on speed. Does it set a limit on...
The special theory of relativity sets a limit on speed. Does it set a limit on momentum or energy? Select one: a. No b. Yes When a current flows through an inductor, its mass Select one: a. stays the same. b. decreases. c. oscillates. d. increases. The principle of equivalence states that Select one: a. all physical experiments conducted in a uniform gravitational field and in an accelerated frame of reference give identical results. b. clocks that move relative to...
and base of the result give a general conclusion Sample problem about special Relativity: In a...
and base of the result give a general conclusion
Sample problem about special Relativity: In a Manama city of Bahrain, a soccer game lasts 4 hours. Space travelers view the game in a spaceship convoy, which happens to pass through the earth as the game progresses. All spacecraft travel at a constant speed of 2.80 x10 m/s relative to the surface of the earth. How long is the match in the spacecraft's reference frame?
The question in vu frame of reference The figure (not drawn to scale) shows a state of stress in a xy frame of refe...
The question in vu frame of reference The figure (not drawn to scale) shows a state of stress in a xy frame of reference. We wish to calculate the state of stress in the rotated frame of reference x'y. Given Angle of rotation 34 direct stresses σ,-0 MPa and σ,--20 MPa, shear stress Tay95 MPa calculate the state of stress in the rotated frame of reference
The question in vu frame of reference
The figure (not drawn to scale) shows...
1. The orientation of a reference frame F2 is obtained from the reference frame F by...
1. The orientation of a reference frame F2 is obtained from the reference frame F by a 2 - 3 - 1 rotation sequence, with angles Oy, 0, and ex: • A rotation dy about the y-axis of frame F1, • A rotation 0, about the z-axis of the intermediate frame Fi, • A rotation 0x about the z-axis of the transformed frame Ft. (note that we used rotation sequence 3 – 2 – 1 in class to find the...
ASTRONOMY (Theory of Relativity -Special) Q: Suppose you had a spaceship so fast that you could...
ASTRONOMY (Theory of Relativity -Special) Q: Suppose you had a spaceship so fast that you could make a roundtrip journey of 1 million light-years (in Earth's reference frame) in just 50 years of ship time. If you left in the year 2030, you would return to Earth i) A million years from now ii) The year 2130 iii) The year 2080 I think the answer is i) because there is no way in the question to translate how much earth...
General Relativity Question 1 Consider a satellite in a circular orbit at a distance of 100...
General Relativity Question 1
Consider a satellite in a circular orbit at a distance of 100 km above the Earth's surface. After one day. how many seconds slower will its onboard clock measure compared to a clock on Earth?
Please help me understand this problem An observer in an inertial reference frame S sees lightning...
Please help me understand this problem
An observer in an inertial reference frame S sees lightning strike simultaneously at two points that are 870 nm apart. He measures that the location of the first lightning strike is given by the four coordinates x1 0 m, y1 0 m, z1 0 m, and t0 s. He measures that the location of the second lightning strike is given by the four coordinates X2 = 870 m, y2 = 0 m, z2 0...
cant seem to figure out how to do Q iii onwards... Question 6 [3+2+3+ 5+2+2 +...
cant seem to figure out how to
do Q iii onwards...
Question 6 [3+2+3+ 5+2+2 + 2 +2 21 marks] Sherlock Duck v0.95c Billy and Wyatt courtesy of http://www.designedtoat.com/freegraphics.htm Billy and Wyatt are playing laser tag at the OK Laser Tag Centre. Sherlock Duck is flying past in a very fast rocket travelling at 0.95c relative to the reference frame of Billy and Wyatt. The accompanying figure depicts the view from Sherlock Duck's reference frame where Billy, Wyatt and the...
this answer. Question 6 Relativity. Einstein's first postulate the relativity principle) states that a. at speeds much less than the speed of light the relativistic formulas reduce to the old classical formulas. Ob the laws of physics have the same form in all inertial reference frames. c. the length of an object moving relative to an observer is measured to be shorter along its direction of motion than when it is at rest O d. the speed of light is...
and base of the result give a general conclusion
Sample problem about special Relativity: In a Manama city of Bahrain, a soccer game lasts 4 hours. Space travelers view the game in a spaceship convoy, which happens to pass through the earth as the game progresses. All spacecraft travel at a constant speed of 2.80 x10 m/s relative to the surface of the earth. How long is the match in the spacecraft's reference frame?
The question in vu frame of reference The figure (not drawn to scale) shows a state of stress in a xy frame of reference. We wish to calculate the state of stress in the rotated frame of reference x'y. Given Angle of rotation 34 direct stresses σ,-0 MPa and σ,--20 MPa, shear stress Tay95 MPa calculate the state of stress in the rotated frame of reference
The question in vu frame of reference
The figure (not drawn to scale) shows...
1. The orientation of a reference frame F2 is obtained from the reference frame F by a 2 - 3 - 1 rotation sequence, with angles Oy, 0, and ex: • A rotation dy about the y-axis of frame F1, • A rotation 0, about the z-axis of the intermediate frame Fi, • A rotation 0x about the z-axis of the transformed frame Ft. (note that we used rotation sequence 3 – 2 – 1 in class to find the...
General Relativity Question 1
Consider a satellite in a circular orbit at a distance of 100 km above the Earth's surface. After one day. how many seconds slower will its onboard clock measure compared to a clock on Earth?
Please help me understand this problem
An observer in an inertial reference frame S sees lightning strike simultaneously at two points that are 870 nm apart. He measures that the location of the first lightning strike is given by the four coordinates x1 0 m, y1 0 m, z1 0 m, and t0 s. He measures that the location of the second lightning strike is given by the four coordinates X2 = 870 m, y2 = 0 m, z2 0...
cant seem to figure out how to
do Q iii onwards...
Question 6 [3+2+3+ 5+2+2 + 2 +2 21 marks] Sherlock Duck v0.95c Billy and Wyatt courtesy of http://www.designedtoat.com/freegraphics.htm Billy and Wyatt are playing laser tag at the OK Laser Tag Centre. Sherlock Duck is flying past in a very fast rocket travelling at 0.95c relative to the reference frame of Billy and Wyatt. The accompanying figure depicts the view from Sherlock Duck's reference frame where Billy, Wyatt and the...
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