If you were to travel at a speed close to the speed of light in a spaceship, you would notice which of the following? a)You have become shorter. b)Your music player plays music more slowly c)Your pulse rate has decreased. d)You would notice all of these effects. You would notice none of these effects
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- You are in the Enterprise traveling at half the speed of light (v = 0.5c), heading toward a Borg spaceship. You fire your phasers and you see the light waves leaving your ship at the speed of light c = 3x108 m/s toward the Borg. With what speed do the Borg see the phaser blasts approaching their ship? a) less than .5c b) 0.5c c) c d) 1.5c e) more than 2cTwo spaceships can travel in any direction. Each ship carries equipment to measure the speed of light coming from any targeted star. In one experiment, each ship travels at a constant speed and they measure the speed of light from the same star. Which of the following statements is correct? a. If the spaceships travel in a direction perpendicular to the direction of the incoming light, they both measure a light speed of zero. b. No matter in what direction each spaceship travels, they measure a light speed of c. c. For each ship to measure a light speed of c, both ships must travel in the same direction but they can have unequal speeds. d. If the spaceships travel parallel to the incoming light, but in opposite directions, the ship travelling towards the star measures a greater speed of light.a) Calculate the kinetic energy required to accelerate a single proton from a rest position to 0.9999c. The mass of a proton is 1.67x10*-27 kg. b) Find the ratio of the kinetic energy to the energy of a proton at rest. c) Explain why no particle accelerator will ever be able to accelerate any particle to the speed of light.
- A man in a spaceship moving with a speed of 0.6c away from a space platform shines a light of wavelength 500 nm toward the platform. What is the frequency (in Hz) of the light as seen by an observer on the platform? a) 3.9x1014 b) 1.2x10¹5 e) 2x1014 d) 1.8x1015 e) 3x1014 f) 9.2x1014 a b C d e fLight from a distant Galaxy has actual wavelength of 452 nm. If the galaxy is Known to be moving away at speed of 1/6c What is the doppler shift?4. Physics/ Relativity To travel to a nearby star, a spaceship is accelerated to 0.99c to take advantage of time dilation. If the ship has a mass of 3.0 x 10^6 kg, how much work must be done to get it up to speed from rest?
- 3 A spaceship (A) is moving at speed c/2 with respect to another spaceship (B). Observers in A and B set their clocks so that an event at (x, y, z, t) of a photon arriving has coordinates (0, 0, 0, 0) in A and also (0, 0, 0, 0) in B. A second photon arrives at (x = 1.00 m, 0, 0, 0 s) in the frame of ship A. (a) Find the coordinates and time of the second photon arriving as seen by an observer in frame B. (b) In which frame are the two events simultaneous and in which frame are they are not simultaneousmultiple choice question As the velocity of an inertial frame of reference increases with respect to a stationary observer, Einstein's theory of special relativity predicts that the length of an object, measured in the dimension parallel to the motion of the reference frame, will A decrease. B. remain unchanged. Jump to 1 2 3 4 5 6 7 8 9 10 increase. D. increase at first but start to decrease when the speed of the reference frame equals half the speed of light. E. decrease at first but start to increase when the speed of the reference frame equals half the speed of light.A spaceship passes you at a speed of 0.628c. You measure its length to be 28.2 m. Part A How long would it be when at rest? L = m Submit Request Answer
- 3. Star Wars In episode 5 of Star Wars the Empire's space ships launch probe droids throughout the galaxy to seek the base of the Rebel Alliance. Suppose a space ship moving at 2.3 x 108 m/s toward Hoth (site of the rebel base) launches a probe droid toward Hoth at 2.1 x 108 m/s relative to the space ship. According to Galilean relativity: a) b) will they see the probe before it lands on Hoth? What is the speed of the droid relative to Hoth? If rebel astronomers are watching the approaching spaceship through a telescope,An astronaut in a spaceship traveling at very high speed with respect to your frame of reference fires a photon beam. The speed of the beam is c with respect to the spaceship. How fast is the beam with respect to your frame of reference? a) less than c b) equal to c c) equal to 2c d) greater that 2c Which law states that the rate at which celestial body recedes from Earth is proportional to its distance from the planet? a) Hubble's law b) Mass-energy equivalence c) Principle of equivalence d) Newton's law of motionGeorge is in a spaceship, speeding away from planet Earth at , where is the speed of light in a vacuum. Anna is on George's ground crew, and she sends out a communication signal to George. Since Anna's communication signal is a radio wave, it is electromagnetic and travels at a speed of relative to Anna. From George's perspective, Anna's signal is approaching him at a speed of? c 0.5c 2c 0