If the speed of light is given as 299,792,458 meters per second and the wavelength is 375 nm. what is the frequency of this light? Give your answer in THz
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Q: 0.0001 -9. 0.0001 -9.
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A: Given speed of light is 3*108 m/s.i.e., the distance light can travel in one second is 3*108 m/s.
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Q: What is the distance in light years (ly) to Alkaid? 12 ly 104 ly 55 ly 4 ly
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Q: Calculate the length of one light-year (ca), in metres.
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- please help to answer this because i cant understand sometimes our physicsUsing a single dimensional equation, estimate the number of steps it would take a person with a step length of 2.65 ft to walk from the Earth to Alpha Centauri a distance of 4.37 light-years. The speed of light is 1.86282 x 105 miles/s. Number of Steps = Enter your answer in accordance to the question statement x 1017The speed of light is 2.998*10^8 m/s. How far does light travel in 7.0 μs ? Set the math up. But don't do any of it. Just leave your answer as a math expression. Also, be sure your answer includes all the correct unit symbols.
- 101.0 MHzMHz (typical frequency for FM radio broadcasting). 102.4 MHzMHz (typical frequency for FM radio broadcasting) Express your answer in joules using four significant figures. E=____ JA light-year is the distance that light can travel in one year. Similarly, we can define a light-second, light-day, etc. as the distance that light can travel in other time intervals. Calculate the distance represented by each of the following: (Assume that the speed of light is 3 × 108 m/s). 1. 4 light-seconds 2. 3 light-minutes 3. 2 light-days 4. 2 light-days, but this time answer in miles (enter just the number with no units)Physics need help.what formula do we use？how do we get this answer 880N/m？？
- A lightyear is the distance that light travels in 1 year, approximately equal to 9.46 \times× 1015 meters. If 5 km is about equal to 3.1 miles, about how many miles is 1 lightyear? Please give details work with the correct answerA light year (LY) is the distance that light travels in one year. 1 LY = 9.46x1015 m. Suppose we have detected a planet that orbits a star that is 104 light years away. How many millions of years would it take us to get there if we used a modern rocket with a maximum speed of 20.0 km/s (about 45,000 mph)? Assume 3 sig figs.Answer provided. answer should be A.)1080N,B.)40.5J Please show your complete solution and write clearly. Thank you.
- 1. Read and U What information are you given? Mass= m = 0.15 kg Speed of light = c = 300,000,000 m/s = 3 x 108 m/s 2. Plan and Solve What unknown are you trying to calculate? The amount of energy produced = E = ? What formula contains the given quantities and the unknown? E = mc2 Replace each variable with its known variable and known value. E = (0.15 kg)(3.00 x 108 m/s)2 E = 1.35 x 10¹6 kg.m²/s2 = 1.4 x 1016 J 3. Look Back and Check a separate In a nuclear reactor, 1.5 kilograms of plutonium-239 is completely converted to energy. How many joules of energy are produced? nitsThe speed of light is 2.998*10^8 m/s. How far does light travel in 6.0 μs? Set the math up. But don't do any of it. Just leave your answer as a math expression. be sure your answer includes all the correct unit symbols.Astronomers use a light-year to measure distance. A light-year is the distance light travels in one year. The speed of light is approximately 300,000 km/sec.a. How long is 1 light-year in kilometers?b. The nearest star (other than the sun) is Alpha Centauri. It is 4.34 light-years from Earth. How far is that in kilometers?c. How long will it take a rocket traveling 42,000 km/hr to reach Alpha Centauri?