Spaceship A moves away from Earth at a speed vA = 0.776c (see figure). Spaceship B...
Spaceship A moves away from Earth at a speed vA = 0.776c (see figure). Spaceship B pursues at a speed vB = 0.891c relative to Earth. Observers on Earth see B overtaking A at a relative speed of 0.115c. With what speed is B overtaking A as seen by the crew of spaceship B?
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Spaceship A moves away from Earth at a speed
vA =
0.776c (see figure). Spaceship B...
Spaceship A moves away from Earth at a speed vA = 0.728c (see figure). Spaceship B...
Spaceship A moves away from Earth at a speed vA = 0.728c (see figure). Spaceship B pursues at a speed vB = 0.981c relative to Earth. Observers on Earth see B overtaking A at a relative speed of 0.253c. With what speed is B overtaking A as seen by the crew of spaceship B?
A spaceship moves at a speed of 0.85 c away from the Earth. It shoots a...
A spaceship moves at a speed of 0.85 c away from the Earth. It shoots a torpedo toward the Earth at a speed of 0.8 c relative to the ship. The defenders of Earth respond by blasting high energy x-rays at the torpedo in an attempt to destroy it. What is the velocity of the x-rays relative to the Earth? -0.156 c 0.156 c 0.8 c 0.85 c c
Galaxy A moves away from galaxy B at 0.700 c0 relative to B. A spaceship leaves...
Galaxy A moves away from galaxy B at 0.700 c0 relative to B. A spaceship leaves a planet in galaxy A traveling at 0.550 c0 relative to galaxy A. If the direction in which the ship travels is the same as the direction in which A is moving away from B, what do observers in B measure for the ship's speed?
Practice Problem 27.3 SOLUTION A spaceship flies past earth with a speed of 0.980c (about 2.97...
Practice Problem 27.3 SOLUTION A spaceship flies past earth with a speed of 0.980c (about 2.97 x 10 m/s) relative to earth. A crew member on the spaceship measures its length, obtaining the value 400 m. What is the length measured by observers on earth? SET UP The length of the spaceship in the frame in which it is at rest (400 m) is a proper length in this frame, corresponding to lo in We want to find the length...
Two spaceships move away from the earth in opposite directions. spaceship A moves in one direction...
Two spaceships move away from the earth in opposite directions. spaceship A moves in one direction at 0.8c spaceship B the exact opposite direction also at 0.8c. What is the speed of spaceship B as measured by A and what is the speed of spaceship A as measured by B?
A spaceship at rest on the earth has a length of 120m and a mass of...
A spaceship at rest on the earth has a length of 120m and a mass of 16,000kg. Then the spaceship begins to move away from the earth at 3/4 speed of light. If the spaceship sends out a second ship away from the earth on what observers on the spaceship think is 1/2 speed of light, how fast do the observers on earth think the second ship is moving? If the spaceship sends out a second ship toward the earth...
Spaceship A moves at 0.800? in the positive ?- direction, while spaceship B moves in the opposite direction at 0.750? (both speeds are measured relative to Earth).
Spaceship A moves at 0.800?0.800c in the positive ?-x-direction, while spaceship B moves in the opposite direction at 0.750?0.750c (both speeds are measured relative to Earth).What is the velocity ??{A,B}vx{A,B} of spaceship A relative to spaceship B?What is the velocity ??{E,A}vx{E,A} of Earth relative to spaceship A in multiples of the speed of light ??What is the velocity ??{E,B}vx{E,B} of Earth relative to spaceship B in multiples of the speed of light ??What is the velocity ??{A,B}vx{A,B} of spaceship A relative to spaceship B?
a spaceship of proper length 50 m is moving away from the earth at a speed of .8c . according to the observes in the ship , their journey takes 6.0 hours . according to observers on earth , what is th...
a spaceship of proper length 50 m is moving away from the earth at a speed of .8c . according to the observes in the ship , their journey takes 6.0 hours . according to observers on earth , what is the length of the ship and how long does the journey take ?
suppose a spaceship heading directly away from the Earth at 0.75c can shoot a canister at...
suppose a spaceship heading directly away from the Earth at 0.75c can shoot a canister at 0.65c relative to the ship. Take the direction of motion towards Earth as positive. v1= 0.75 c v2= 0.65 c a) If the canister is shot directly at Earth, what is the ratio of its velocity, as measured on Earth, to the speed of light? (units for answer in mu/c=...) b) What about if it is shot directly away from the Earth (again, relative...
A spaceship is moving away from Earth at speed 0.20c. A source on the rear of...
A spaceship is moving away from Earth at speed 0.20c. A source on the rear of the ship emits light at wavelength 450 nm according to someone on the ship. What is the wavelength of the light observed by someone on the Earth?
Practice Problem 27.3 SOLUTION A spaceship flies past earth with a speed of 0.980c (about 2.97 x 10 m/s) relative to earth. A crew member on the spaceship measures its length, obtaining the value 400 m. What is the length measured by observers on earth? SET UP The length of the spaceship in the frame in which it is at rest (400 m) is a proper length in this frame, corresponding to lo in We want to find the length...
A spaceship is moving away from Earth at speed 0.20c. A source on the rear of the ship emits light at wavelength 450 nm according to someone on the ship. What is the wavelength of the light observed by someone on the Earth?
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