A light year (speed of light 2.998x10^8 m/s) is the distance light travels in a year. How many meters are there in 1 light year? (Answer:9.45x10^15 m/yr)

9.467*10*15

To find the distance in meters in 1 light year, we need to multiply the speed of light by the number of seconds in a year.

First, let's determine the number of seconds in a year.

There are 60 seconds in a minute, 60 minutes in an hour, and 24 hours in a day. Therefore, there are:

60 seconds/minute * 60 minutes/hour * 24 hours/day = 86,400 seconds/day.

Since there are 365 days in a year:

86,400 seconds/day * 365 days/year = 31,536,000 seconds/year.

Now we can calculate the distance in meters in 1 light year.

The speed of light is given as 2.998x10^8 m/s. Multiplying this value by the number of seconds in a year:

2.998x10^8 m/s * 31,536,000 seconds/year = 9.445152x10^15 meters/year.

Therefore, there are approximately 9.45x10^15 meters in 1 light year.

To find the number of meters in one light year, we need to multiply the speed of light by the number of seconds in a year (since the speed of light is given in meters per second). Let's break down the calculation step by step:

1. Start with the speed of light: 2.998x10^8 m/s.
2. Multiply it by the number of seconds in a minute: 60 seconds/minute.
(This step is added just to demonstrate how to convert units, but it won't affect the final calculation since we're dealing with a year.)
3. Multiply the result by the number of minutes in an hour: 60 minutes/hour.
4. Multiply the result by the number of hours in a day: 24 hours/day.
5. Multiply the result by the number of days in a year: 365.25 days/year.
(We use 365.25 instead of 365 to account for the leap year that occurs every four years.)
6. Simplify the expression by canceling out matching units and performing the calculation.

Let's calculate it:

(2.998x10^8 m/s) * (60 s/min) * (60 min/hour) * (24 hours/day) * (365.25 days/year)

= (2.998 * 60 * 60 * 24 * 365.25) m/year

= 9.45x10^15 m/year

Therefore, there are approximately 9.45x10^15 meters in one light year.

Multiply the speed by the number of seconds in a year. You need to learn to do this kind of simple problem yourself.