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3 years ago

Light travels 186 000 miles per second.how many miles dose light travel in one year

1 answer:

8 0

(186,000 mi/sec) x (3,600 sec/hr) x (24 hr/da) x (365 da/yr)

= (186,000 x 3,600 x 24 x 365) mi/yr

= 5,865,696,000,000 miles per year (rounded to the nearest million miles)

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Which describes a feature of the physical changes of all substances?

JulijaS [17]

Answer:

A change in size, shape, or matter.

Explanation:

A physical change does not produce new substances. A physical change may only change the physical properties of a substance. a change in size, shape, or phase of matter.

8 0

2 years ago

What is the resistance of a 3.5 m copper wire (Rho= 1.7x10-8 Ohm·m) that 1 point

VikaD [51]

Answer:

(D)

Explanation:

Given :

l=3.5 m

$A=5.26*10^{-6}$ $m^{2}$

$p=1.7*10^{-8} ohm.m$

Resistance can be calculated as :

$R=p\frac{l}{A} \\R=1.7*10^{-8} \frac{3.5}{5.26*10^{-6} }$

$R=\frac{5.95*10^{-2} }{5.26} \\R=1.13*10^{-2}$

Resistance of the wire will be 1.1× $10^{-2}$ ohms

Option D is correct

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2 years ago

What the maximum age human have?

sweet [91]

There's no maximum age that a human can have it all depends on your health if your a healthy person you can live for a long time but if you just feed your body junk and don't properly take good care of it then you can die at a young age.

6 0

3 years ago

Read 2 more answers

8. If horizontal velocity is 5 m/s, and vertical velocity is 8 m/s, what is the

zhenek [66]

Answer:

9.4

Explanation:

magnitude is the sum of the squares.

$\sqrt{5^2+8^2} =9.4339\\$

If you are given horizontal and vertical components, treat those as the rise and run of a triangle, the rise of 8 with a run of 5 and you want to find the hypotenuse.

How do you find the long side of a triangle?

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3 years ago

I got a new kitten and I dont know how to train them to use a leash. Can anyone help?

Lerok [7]

Put the leash on and have like treats with u and they will follow u that’s how I trained my cat lol

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3 years ago