Stellar system Q1 moves away from us at a speed of 0.800c. Stellar system Q2, which lies in the same direction in space but is closer to us, moves away from us at speed 0.400c.What multiple of c gives the speed of Q2 as measured by an observer in the reference frame of Q1?

Q: An astronaut at rest on Earth has a heartbeat rate of 90 beats/min. When the astronaut is traveling…

A:

Q: A Rocket passes by earth at a speed of 0.300c. If a person on the rocket takes 245 seconds to drink…

A:

Q: a. You and a friend pass each other in spaceships that are each traveling 0.77c relative to the…

A:

Q: An astronaut whose height on the earth is exactly 2 m is lying parallel to the axis of a spacecraft…

A:

Q: A cube has a volume of 1.2 cm and a mass of 7.3g when at rest on the Earth. If this cube is now…

A: Volume of cube V=1.2 cm3 and mass of cube m=7.3 g. Now the cube is given a velocity u=0.75c say in…

Q: Two spaceships, each 100 m long when measured at rest, travel toward each other with speeds of 0.85c…

A:

Q: arranges to trigger two flashbulbs simultaneously, producing a big flash located at the origin of…

A: Given that X 1 = 0    X 2= 30x 103  m              V = 0.25 c = 0.25 x 3 x 108 =0.75  x  108  = 7500…

Q: A muon is created 70 km above the surface of the earth. In the earth's frame, the muon is traveling…

A: (A)   The time elapses between the muon’s creation and the time it reaches the surface, that is, the…

Q: A spaceship of rest length 130 m races past a timing station at a speed of 0.740c. (a) What is the…

A:

Q: A alien spacecraft has a speed of 0.74c with respect to Earth. The alien measure 39 hours for the…

A:

Q: The proper length of one spaceship is three times that of another. The two spaceships are traveling…

A: Consider The proper length of slower spaceship is "L" The proper length of faster spaceship "3L"The…

Q: With respect to the earth, object 1 is moving at speed 0.90c to the right. Object 2 is moving to the…

A: See below

Q: ay from Earth? (b)To what frequency must Earth receivers be tuned to receive the report when the…

A:

Q: As you pilot your space utility vehicle at a constant speed toward the moon, a race pilot flies past…

A:

Q: An observer on Earth sees a rocket and a saucer flying away from Earth. The observer sees the saucer…

A:

Q: .Rocket A leaves a space station with a speed of 0.811c. Later, rocket B leaves in the same…

A:

Q: A muon is created 60 km above the surface of the earth. In the earth’s frame, the muon is traveling…

A: a. t=dv=60×103 m0.9999×3×108 ms=2.0002×10-4s b. ∆tmuon=∆tearth1-vc2            =2.0002×10-4…

Q: Relativistic formulas for time dilation, length contraction,and mass are valid(a) only for speeds…

A: The relativistic formulas for time dilation, length contraction, and mass, can be given as, Here,…

Q: A spaceship whose rest length is 490 m has a speed of 0.88c with respect to a certain reference…

A:

Q: A 26  year old astronaut travels in a space craft in the outer space for 2 years in a 0.8c speed of…

A:

Q: Two identical spaceships with proper lengths of 175 m are launched from Earth. Spaceship A is…

A: a)Speed of spaceship B with respect to spaceship A is,

Q: An observer moving toward Earth with a speed of 0.86 c notices that it takes 4.8 min for a person to…

A: v1 = 0.86 c towards the earth t1 = 4.8 min v2 = 0.91 c , away from earth Let to by the time measured…

Q: At a speed of 0.90c, a spaceship travels to a star that is 9.0 ly distant.a. According to a…

A: Dear student, this question contains more than three sub-parts. As per guide lines we will answer…

Q: 1) A space traveler takes off from Earth and moves at speed 0.99c toward the star Vega, which is…

A: when an object moves with light of speed or near by difference in time frame has been noted.

Q: A spaceship of rest length 182 m races past a timing station at a speed of 0.630c. (a) What is the…

A:

Q: Space pilot Mavis zips past Stanley at a constant speed relative to him of 0.800c. Mavis and Stanley…

A: Given, Speed (u) = 0.800 c Time = 5.00 s

Q: A spaceship of rest length 134 m races past a timing station at a speed of 0.765c. (a) What is the…

A:

Q: pose a spaceship is approaching the Earth at 0.075c and a message capsule is sent toward it at…

A: GivenVelocity of spaceship with respect to earth u=0.075cRelative velocity between two objects  v=…

Q: You are an observer in a 100-m long spacecraft traveling from the earth to the moon at 0.8c.…

A: Observer measure the length of the spacecraft,   It is left measure by observer according to whom…

Q: Two spaceships, each 100 m long when measured at rest, travel toward each other with speeds of 0.85c…

A: Given Two spaceships length ( L0 ) = 100m Spaceship speed relative to earth ( v ) = 0.85c      ⇒…

Q: John arranges to trigger two flashbulbs simultaneously, producing a big flash located at the origin…

A: Given that---- x = 30 km v = .25 m Question ❓ i). Determine the time interval between them according…

Q: A spaceship of rest length 134 m races past a timing station at a speed of 0.765c. (a) What is the…

A:

Q: 1. Assuming that you are moving with a constant speed of 0.55c when you passed by a man on the…

A:

Q: A spacecraft is traveling at 0.900c relative to earth. An astronaut’s heart rate is measured on the…

A: The velocity of the spacecraft,   The heartbeat of the astronaut,

Q: A spaceship whose rest length is 283 m has a speed of 0.87c with respect to a certain reference…

A:

Q: How far from the earth would you be able to travel in a lifetime of 76 years if you were able to…

A:

Q: A rocket measures 100 m long in its own frame (S') and is travelling at 0.995c relative to a frame…

A: a) In the S' frame, the time taken by the light pulse to arrive back at the tail of the rocket is…

Q: An astronaut is traveling in a space vehicle moving at 0.500c relative to the Earth. The astronaut…

A: Speed of the astronaut is v = 0.500c Pulse rate of the astronaut is p = 75 beats per minute