What is the wavelength of an electron moving at 3.00% of the speed of light?
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- The speed of light in free space has been measured to be 2.99792458 x 108-m/s. Express the speed of light to (a) three significant figures, (b) five significant figures, and (c) seven significant figures.The speed of light in free space has been measured to be 2.99792458 × 108 m/s. (A) 3 Significant Figures (B) 5 Significant Figures (C) 7 Significant FiguresThe speed of light in free space has been measured to be 2.99792458 x 108-m/s.Express the speed of light to (a) three significant figures, (b) five significant figures, and (c) seven significant figures.
- . A) How fast would a motorist have to travel for a yellow traffic light (λ = 590. nm) to appear green (λ =500. nm) to him due to the Doppler shift? B) Would the motorist be traveling towards or away from the traffic light?Question 7 of 15 A light ray refracts at the interface between two transparent materials as shown below. In material 1 the light ray is traveling at v₁ = 2.5 x 108 m/s and in material 2 it is traveling at a speed v2. What is v2? Material 1 Material 2 60° 30°The distance from earth to the nearest star is about 4 x 1016 meters. How long would it take a radio signal traveling at the speed of light, 3.0 x 108 m/s, to make a one-way trip to this star?
- A spaceship is 7.78 x 1014 m away from Earth. Which of the following is the time it takes radio signals from Earth to reach the ship?Light travels through water at a speed of about 2.25 x 108 m/s. Is it possible for a particle to travel through water at a speed v greater than 2.25 × 108 m/s?It takes light from the Sun 6.00 minutes to reach Venus. How far away is the planet from the Sun (in km)? The speed of light, c, is 3 ✕ 105 km/s.
- The speed of light to five significant figures is 2.9979 * 108m>s.What is the speed of light to three significant figures?light in a vacuum travels at a speed of 3.00x10^8 m per s. Pluto's average distance from the sun is 3.6 billion miles. How many minutes does it take sunlight to reach Pluto?A person on earth communicating via radio transmission with an astronaut on the moon asks a question. At the time of transmission, the moon is 3.843.84 × 10105 km from the earth, and the speed of radio waves is 3.003.00 × 10108 m/s. How long must the person on earth wait for a response if the astronaut answers 5.005.00 s after the message is received?