Starship A moves away from Earth with a speed of va/c = 0.8. Starship B moves away from Earth in the opposite direction with a speed of vg/c = 0.6. What is the speed of starship A as measured by starship B? What is the speed of starship B as measured by starship A?
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- a) Suppose you decide to travel to a star 66 light-years away at a speed that tells you the distance is only 24 light-years. How many years would it take you to make the trip? Express your answer using two significant figures. b)In its own reference frame, a box has the shape of a cube 1.5 mm on a side. This box is loaded onto the flat floor of a spaceship and the spaceship then flies past us with a horizontal speed of 0.90 cc.What is the volume (m3 ) of the box as we observe it?Rocket A passes Earth at a speed of 0.79c. At the same time, rocket B passes Earth moving 0.94c relative to Earth in the same direction. Part A How fast is B moving relative to A when it passes A? Express your answer using two significant figures. ΑΣφ ? v = Submit Request AnswerHow fast is a rocket going it its passengers measure its length to be 25.5 but the people on earth watching it go by measure its length to be 18.8? Please give your answer as a fraction of c. For example, if v=1.5*10^ 8 m/s,use V/c=0.5 .
- In a certain particle accelerator, a proton has a kinetic energy that is equal to its rest energy. What is the speed of the proton relative to the accelerator? 0.87 c 0.25 c 0.75 c 0.71 c 0.50 c2. Please help me answer these questions, well explained. A spacecraft travelling at a speed of 0.95 c goes from the planet Jupiter to the planet Pluto. A. If an observer on planet Jupiter measures the length of the vessel as 55 m, how long is it when it is stationary? B. A monkey inside the ship has a pulse of 116 beats/min when he is on the earth. What is his pulse inside the ship?1. If a subatomic particle moves close to the speed of light. Its decay would occur ___? 2. A space explorer travels between asteroids that are 100 000 m apart. His/her space probe travels with constant speed of 0.8c=2.4x108 m/s. What is the time of the trip between asteroids measured by observer on one of the asteroids? Write your answer rounded to 2 decimal places in ms
- A newly constructed spaceship has a length of 100.0 m (as measured in the rest frame). This spaceship departs the Earth, bound for a distant planet located a distance D = 50.0 light-years away from the Earth. It travels at a constant speed of v = 0.900c. Part A) As measured by Mission Control on Earth, how long does the journey take? Enter the numerical value in units of years. Part B) According to an astronaut on the spaceship, how long does the journey take? Enter the numerical value in units of years. Part C) As measured by Mission Control on Earth, what is the spaceship's apparent length? Enter the numerical value in SI unitsThe length of a rod seems shortest to an observer when it moves in a specific direction. What change would he observe when the direction of rod changes by 900? O A. The rod becomes even smaller B. The length of the rod increases O C. The length of the rod remains the same D. The rod has the length equal to its proper length O E. The length of the rod doubles