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Relativity
Page 2
Questions (111)
a spaceship travels with a speed of 0.7c as it passes by the Earth on its way to a distant star. The pilot of the spaceship
1 answer
asked by
slien
545 views
A woman is 1.6 m tall and has a mass of 53 kg. She moves past an observer with the direction of the motion parallel to her
3 answers
asked by
Beth
1,714 views
If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe
3 answers
asked by
Laurie
1,572 views
If two lightning bolts hit exactly the same place at exactly the same time in one frame of reference, is it possible that
3 answers
asked by
Tiffany
1,392 views
If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe
1 answer
asked by
laurie
1,211 views
Two events that are simultaneous in one frame of reference will be:
A) simultaneous in all frames of reference B) simultaneous in
2 answers
asked by
Jeff
1,076 views
Two events in S are separated by a distance D=x2 - x1 and a time T = t2 - t1 . a) Use the Lorenrz transformation to show that in
1 answer
asked by
kim
1,035 views
The speed of light is the same for all observers, and the laws of physics are the same for all observers in uniform motion.
1 answer
asked by
Anonymous
1,005 views
An electron is accelerated from rest through a potential difference of 1.40*10^5 V. What is its speed?
So there were also two
4 answers
asked by
Kid
956 views
an enemy spaceship is moving toward your starfighter with a speed of 0.4c, as measured in your reference frame. The enemy ship
2 answers
asked by
yanis
863 views
In the lab, a relativistic proton has a momentum of 1.00 ×10^-19 kg ∙ m/s and a rest energy of 0.150 nJ. What is the speed
of
1 answer
asked by
Tess
854 views
In the lab, a relativistic proton has a momentum of 1.00 ×10^-19 kg ∙ m/s and a rest energy of 0.150 nJ. What is the speed
of
2 answers
asked by
Khaled
812 views
An astronaut is traveling in a space vehicle moving at 0.520c relative to the Earth. The astronaut measures her pulse rate at
1 answer
asked by
sara
798 views
111. Cold Water Survival When a person falls through the ice on a lake, the cold water removes body heat 25 times faster than
1 answer
asked by
Sam
780 views
A relativistic proton has a momentum of 1.0×10^-17 kg ∙ m/s and a rest energy of 0.15 nJ. What is the kinetic energy of
this
1 answer
asked by
Justin
797 views
A spacecraft approaching the earth launches an exploration vehicle. After the launch, an observer on earth sees the spacecraft
3 answers
asked by
Beth
757 views
1.(a) Explain the term time dilation.
(b) Show that an interval of time observed in a moving frame of reference will be less than
1 answer
asked by
Thaifa
750 views
Consider a situation where immediately after birth, twins are separated. One continues to live on earth, while the other is
2 answers
asked by
ashley --- HELP PLEASEE!!!
721 views
Suppose you wish to visit a star which is 450 light years away, and that you want your 21000 kg rocket to move so fast that you
2 answers
asked by
Darren
660 views
Spaceship I, which contains students taking a physics exam, approaches Earth with a speed of 0.640 c, while spaceship II, which
1 answer
asked by
Andy
668 views
Let us assume that the muon production happens at an altitude of about 15 kilometers above the surface of the Earth, and that
2 answers
asked by
Tisha
640 views
In the lab, a relativistic proton has a momentum of 1.00 × 10-19 kg · m/s and a rest energy of 0.150 nJ. What is the speed of
1 answer
asked by
Anonymous
635 views
Marks: 2
The time taken by the space craft moving at a speed equal to half the velocity of light to go from star A to star B is 2
1 answer
asked by
ashley --
597 views
How much work must be done to increase the speed of an electron from 0.200c to 0.210c? In (MeV)
5 answers
asked by
Andy
584 views
An observer on Earth sees an alien vessel approach at a speed of 0.44c. The Enterprise comes to the rescue, overtaking the
2 answers
asked by
Francis
587 views
A spaceship travels with a speed of 0.3c as it
passes by the Earth on its way to a distant star, as shown in the diagram below.
2 answers
asked by
Anonymous
594 views
an electron of mass m has a speed of v. at what speed would the ration of the magnitudes of the relativistic and non
2 answers
asked by
NADIA
586 views
A certain star is 10.9 light-years away. How long would it take a spacecraft traveling 0.960c to reach that star from Earth, as
2 answers
asked by
iqra
580 views
If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to
2 answers
asked by
ashley --
586 views
Can you please help me with this question?
A person is flying through space with person B exactly 186000 miles behind. When
2 answers
asked by
athri
560 views
A woman is 1.6 m tall and has a mass of 47 kg. She moves past an observer with the direction of the motion parallel to her
2 answers
asked by
please help
562 views
A spaceship at rest in a certain reference frame S is given a speed increment of 0.50c. Relative to its new rest frame, it is
2 answers
asked by
Brian
531 views
If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to
2 answers
asked by
ashley --
559 views
does anyone know who conducted the experiment or a credible description of the experiment that helped prove Einstein's thought
2 answers
asked by
frank
558 views
Can a person, in principle, travel from Earth to the galactic center (which is about 2.30×104 lightyears distant) in a normal
2 answers
asked by
Leonidas
521 views
A woman is 1.6 m tall and has a mass of 47 kg. She moves past an observer with the direction of the motion parallel to her
2 answers
asked by
please help
515 views
If astronauts could travel at v=0.89c, we on Earth would say it takes (4.20/0.890)=4.72 years to reach Alpha Centauri, 4.20
2 answers
asked by
LUMBA
534 views
A.An observer moving at a speed of 0.810 c relative to a rod measures its length to be 2.00 m and sees its length to be oriented
2 answers
asked by
Andy
529 views
A rocket launched from earth with a rest mass of 150,000Kg moves at 2.8x10^8 m/s during a voyage that takes 1.3 years, according
2 answers
asked by
Dani
514 views
Carbon-15 has a half-life of 5730 years. As observed from Earth, what would the half-life of carbon-15 be if it traveled through
2 answers
asked by
Anonymous
529 views
Why do objects gain mass while approaching the speed of light
2 answers
asked by
STEVIUM
490 views
if two lighting volts heat exactly same place at the same time in are frame of ref,it is possible that observes in other frames
2 answers
asked by
angie
508 views
a particle which has zero rest mass and non zero energy and momentum must travel with a speed?
1 answer
asked by
Samm
503 views
calculate the relativistic mass of 1.81x10^24 photons (3.00 mol) with wavelength of 450 nm.
2 answers
asked by
matt
505 views
Please show me how to derive the relativist mass formula:
m = m0 / sqrt(1 - v^2/c^2)?
2 answers
asked by
Marinho
510 views
Suppose the time taken for light to bounce to and fro between the parallel mirrors of a light clock is 1 second, in the frame of
3 answers
asked by
lisa
504 views
The length of a moving spaceship is 27.0 m according to an astronaut on the spaceship. If the spaceship is contracted by 14.5 cm
1 answer
asked by
Robby
475 views
A meterstick is at rest in an inertial frame S2.If S2 moves with a speed of 0.8 c with respect to a rest frame S1, find the
1 answer
asked by
kay
455 views
A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which
1 answer
asked by
duke
446 views
- How do you calculate proper time (Tau) between two events with coordinates (0s, 0m) and another pair of coordinates in a frame
1 answer
asked by
Sam
443 views
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Parent Categories (10)
Electromagnetism
Energy
Everyday Devices
Mechanics
Motion
Motion and Velocity
Particle Physics
Physics
Time and Motion
Time Dilation