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2 years ago

How many miles is a light year

Physics

2 answers:

Stells [14]2 years ago

6 0

Answer:

5,878,625,370,000 miles or 5.87 Trillion miles

Explanation:

The result: One light-year equals 5,878,625,370,000 miles (9.5 trillion km).

Marrrta [24]2 years ago

6 0

One light-year equals 5,878,625,370,000 miles (9.5 trillion km)

explanation: To find the distance of a light-year, you multiply this speed by the number of hours in a year (8,766).

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erma4kov [3.2K]

Answer:

ENERGY STAR-certified dishwashers

Explanation:

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8 0

3 years ago

Which orbit has the highest energy? n = 1 n = 2 n = 3

PIT_PIT [208]

Answer:

Explanation:

The closer an orbit is to the nucleus the fewer energy

4 0

3 years ago

Two children are riding on a merry-go-round that is rotating with a constant angular speed. Abbie is one meter from the center o

klio [65]

Answer:

The acceleration of Abbie is half of the Zak's.

Explanation:

The centripetal acceleration of an object on a circular path is given by :

$a=r\omega^2$

Two children are riding on a merry-go-round that is rotating with a constant angular speed. Let $r_1$ is distance of Abbie from the merry-go-round and $r_2$ is distance of Zak's from the merry-go-round. Acceleration of Abbie is :

$a_1=r_1\omega^2$ ...... (1)

$r_1=1\ m$

Acceleration of Zak's is :

$a_2=r_2\omega^2$ .......(2)

$r_2=2\ m$

Dividing equation (1) and (2) we get :

$\dfrac{a_1}{a_2}=\dfrac{r_1}{r_2}\\\\\dfrac{a_1}{a_2}=\dfrac{1}{2}\\\\a_1=\dfrac{a_2}{2}$

So, the acceleration of Abbie is half of the Zak's.

7 0

3 years ago

How much energy is used for boiling water in a 4 KW kettle for 20 minutes.

Marta_Voda [28]

Answer:About 860,000 results (1.08 seconds)

kettle-power

Jun 18, 2014 — It's interesting to see how much energy heating and cooling systems use ... the kettle uses goes into the water it costs more to use electricity to boil ... 3 minutes is 1/20 of an hour, so 2.4kW for 3 minutes is equivalent to 2.4 / 20 = 0.12kWh. ... kettle should NOT clock over 1kw/h in the 4 minutes it takes to boil

Explanation:

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3 years ago

The electricity that is delivered to our homes from regional generating stations uses high voltage _____.

11Alexandr11 [23.1K]

You would be looking for the answer "to keep the available power the same despite the low current".

Have a great day!

8 0

3 years ago

Read 2 more answers