speed of light is one foot per nanosecond. one second equals 10 9 nanoseconds .
How many nanoseconds does it take light to travel 1ft?
s= 1.02ns .
How long does it take light to travel 1.0 m?
Answer and Explanation: (a) The time needed for light travels 1.0 m in vacuum: {eq}t = dfrac dc = dfrac{1.0}{3 times 10^8} = 3.33 times 10^{-9} rm s = boxed{bf 3.33 ... See full answer below.
How long does it take for light to travel?
The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second . That’s about 186,282 miles per second — a universal constant known in equations as “c,” or light speed.
How long does it take for light to travel 1 meter in a vacuum?
Since 1983, the metre has been defined in the International System of Units (SI) as the distance light travels in vacuum in 1⁄299792458 of a second . This definition fixes the speed of light in vacuum at exactly 299792458 m/s.
How long does it take light to travel from LA to NY?
Light can streak from Los Angeles to New York in less than the blink of an eye. While 1 percent of anything doesn’t sound like much, with light, that’s still really fast — close to 7 million miles per hour! At 1 percent the speed of light, it would take a little over a second to get from Los Angeles to New York.
How long does it take light to travel 4.5 billion km in hours?
Problem 2 – The planet Neptune is located 4.5 billion kilometers from Earth. How many years would it take a rocket traveling at the speed of the International Space Station to make this journey? Answer: Time = 4,500,000,000 km / 28,000 km/h = 160714 hours or 6696 days or 18.3 years.
How long does it take for light to cross a room?
That’s because emitted photons travel at 186,000 miles (300,000 km) per second, meaning it takes only 1/500,000th of a second for light to reach even the furthest part of an ordinary room. And, if it could go through the wall, it would orbit the entire planet 7.5 times in just one second.
What takes a nanosecond?
ONE NANOSECOND (a billionth of a second)
A beam of light shining through a vacuum will travel only 30 centimeters (not quite one foot) in this time. The microprocessor inside a personal computer will typically take two to four nanoseconds to execute a single instruction, such as adding two numbers.
How long does it take to travel 1 Metre?
, Physics professor since 1977. The same as the speed of light to travel any other distance. Do you mean, “How long does it take light to go 1 meter?” If so, the answer is 3.335641 nanoseconds .
How long does it take for light from the sun to reach Earth?
The Sun is 93 million miles away, so sunlight takes 8 and 1/3 minutes to get to us. Not much changes about the Sun in so short a time, but it still means that when you look at the Sun, you see it as it was 8 minutes ago.
What is the speed of light in this solid?
Light travels at approximately 300,000 kilometers per second in a vacuum, which has a refractive index of 1.0, but it slows down to 225,000 kilometers per second in water (refractive index of 1.3; see Figure 2) and 200,000 kilometers per second in glass (refractive index of 1.5).
Can humans travel at the speed of light?
Can we travel at the speed of light? No, we cannot travel at the speed of light . You see, if an object travels at the speed of light, its mass will increase exponentially!
Why is light the fastest?
Nothing can travel faster than 300,000 kilometers per second (186,000 miles per second). Only massless particles, including photons, which make up light, can travel at that speed . It’s impossible to accelerate any material object up to the speed of light because it would take an infinite amount of energy to do so.
What travels faster light?
What is a tachyon? Tachyons are one of the most interesting elements arising from Einstein’s theory of special relativity. The 1905 theory is based on two postulates, nothing with mass moves faster than the speed of light (c), and physical laws remain the same in all non-inertial reference frames.
How long does it take for light to travel 1 kilometer?
0.0000033 seconds to travel 1 kilometer; 1.3 seconds to reach us from the Moon; 8.32 minutes to reach us from the Sun; 4.37 years to reach us from Alpha Centauri, the nearest star system to the Solar System (Alpha Centauri is therefore said to be 4.37 light years away);
How long would it take light to travel 100m?
The speed of light in a vacuum is 3⋅108 m/s . We can now convert to a more appropriate symbol, such as the nanoseconds. So, it will take light approximately 333 nanoseconds to travel 100 m .
Why can’t you go faster than the speed of light?
So the faster something travels, the more massive it gets, and the more time slows – until you finally reach the speed of light, at which point time stops altogether . And if time stops, well then, so does speed. And so nothing can travel faster than the speed of light.
How long does it take light to travel across the United States?
Light travels at a constant, finite speed of 186,000 mi/sec. A traveler, moving at the speed of light, would circum-navigate the equator approximately 7.5 times in one second . By comparison, a traveler in a jet aircraft, moving at a ground speed of 500 mph, would cross the continental U.S. once in 4 hours.
How long does it take light to get from New York to California?
What if we could travel at the speed of light? We’re still a long way off, but tech used in spacecraft could one day let us travel from New York to Los Angeles in just one second . Light is the fastest thing that exists. It travels at 186,000 miles per second.
How long does it take light from New York to California?
| Distance Time | 1 foot 1 nanosecond | 1 mile 5.3 microseconds | From New York City to Los Angeles 0.016 seconds | Around Earth’s equator 0.133 seconds |
|---|
How long would a trip to Neptune take?
8. Neptune (Voyager) Want to go to Neptune? It’ll take 12 years .
How long would it take to travel 14 billion miles?
It has taken Voyager 1 forty years to travel 14 billion miles. 14 billion miles is the furthest distance that any man made object has traveled from Earth. However in over 40 years Voyager 1 has yet to travel one lightday from Earth.
How long does it take for light to travel to Neptune?
The time it takes for light to reach planets in our Solar System (not the Milky Way, which is our galaxy) varies from about 3 minutes for Mercury, to about 4.15 hours for Neptune. There is nothing out in space to prevent the sun’s light from going infinitely far, in principle.
How long does it take for light to travel a light year?
Saying we were a space shuttle that travelled five miles per second, given that the speed of light travels at 186,282 miles per second, it would take about 37,200 human years to travel one light year.
How far does light travel in an hour?
To calculate how fast light can travel in an hour multiply the distance light can travel in a minute by 60 since there is 60 minutes in an hour. So light travels 1,080,000,000 kilometers or 669,600,000 miles in one hour!
How long does it take for light to travel from one side of the Earth to the other?
Light moves at 300,000 kilometers/second. Divide these and you get 500 seconds, or 8 minutes and 20 seconds . This is an average number.
