WebO 2.8 light-years 9.1 light-years O 2.9 light-years O 2.3 light-years O 7.5 light-years If a proton with mass 1.67 x 10"27 kg moves in an accelerator ... located 4.2 light years away from Earth. a. From your point of view in the ship, how far is the star from the Earth? b. If your mass is 68 kg, what is your kinetic energy while moving ... WebUsage of fractions is recommended when more precision is needed. If we want to calculate how many Astronomical Units are 4.2 Light Years we have to multiply 4.2 by 431996825232 and divide the product by 6830953. So for 4.2 we have: (4.2 × 431996825232) ÷ 6830953 = 1814386665974.4 ÷ 6830953 = 265612.52375392 …
How to calculate the light year - universemagazine.com
Web31 mrt. 2024 · Answer: The correct choice is A. 4.2 light years Explanation: v = speed of light = 300,000 km/s t = time taken for the light to travel from Proxima centauri to earth … Web28 apr. 2024 · There are 6 trillion miles in a light-year (approximately), so the distance we need to go is 6 trillion miles / light-year times 4 light-years, or 24 trillion miles. So, this trip would take 1.2 billion hours. There are 24 hours a day and 365.25 days per year, so this time in years is 137 thousand years. What is a light year? A light year is a ... ge washer ghwn4250d0ww
How long would it take to travel a light year? - SCREENSHOT
WebSolution for Our nearest star (other than the Sun) is 4.2 light-years away. That is, it takes 4.2 years for the light it emits to reach Earth. How far away is… Web9 nov. 2012 · Light travels at 186,000 miles per second, or 300,000 kilometers per second. There are 60 seconds in a minute, 60 minutes in an hour, 24 hours in a day, and 365.24 … Web11) That star is far away from the earth in meter is = 4.2*365*24*60*60*3*10^8=3.97*10^16 m Here velocity of light is 3*10^8m/s 12.i) the angle of incidence should be equal to … christopher strong dowser