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3 years ago

Which part of the telescope reflects light to the eyepiece

2 answers:

6 0

There is a mirror at the bottom that reflects the light back up the tube. Also a 2nd mirror that reflects the light outside of the tube where the eyepiece is.

grandymaker [24]3 years ago

3 0

Answer:

Secondary mirror

Explanation:

A reflecting telescope has a primary mirror, secondary mirror and an eyepiece.

A primary mirror is the one which gathers light from distant body and reflects towards a secondary mirror. Secondary mirror is placed at the focus of the primary mirror at such an angle so as to reflect the light towards the eye piece so that the image can be viewed.

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Two spaceships are observed from earth to be approaching each other along a straight line. Ship A moves at 0.40c relative to the

nirvana33 [79]

Answer:

0.80 c

Explanation:

The computation of speed is shown below:-

Here, The speed of the captain ship A report for speed of the ship B which is

$S = \frac{S_A + S_B}{1 + \frac{(S_AS_B)}{c^2} }$

where

$S_A$ indicates the speed of the ship A

$S_B$ indicates the speed of the ship B

and

C indicates the velocity of life

now we will Substitute 0.40c for A and 0.60 for B in the equation which is

$S = \frac{0.40c + 0.60c}{1 + \frac{(0.40c)(0.60c)}{c^2} }$

after solving the above equation we will get

0.80 c

So, The correct answer is 0.80c

5 0

3 years ago

Vf=V0+at solve for a

dangina [55]

Answer:

See below

Explanation:

vf = vo + at subtract vo from both sides

vf - vo = at now divide both sides by t

(vf-vo) / t = a

6 0

1 year ago

PLEASE HLEP ME ASAP

bija089 [108]

Answer:

cardiovascular endurance

Explanation:

In order for Tom to successfully complete the marathon, he should focus on being able to maintain a constant pace without tiring easily.

3 0

4 years ago

Muitos remédios são tomados em doses menores que o mg. Um comprimido de certo remédio tem 0,025 mg de uma certa substância. Com

Sergio039 [100]

Answer:

Explanation:

<u>The question is asked in portuguese</u>

<u>Hence, it will be answered in portuguese</u>

1kg = 1000g

1 g = 1000mg

então

1 kg = 1 x (1000 x 1000)

1 kg = 1x 1.000.000

1 kg = 1.000.000mg

assim

1 comprimido -------------> 0,025 mg

x comprimido ------------> 1.000.000 mg ( só cruzar)

0,025(x) = 1(1.000.000)

0,025x = 1.000.000

x = 1.000.000/0,025

x = 40.000.000

<h3>1kg são feitos 40.000.000( Quarenta milhões de comprimidos)</h3>

7 0

3 years ago

How can seismographs be used to predict hurricane intensity?

nikdorinn [45]

Answer: The earth is a noisy place. Seismometers, which measure ground movements to detect earthquakes, volcanic eruptions, and manmade explosives, are constantly recording smaller vibrations caused by ocean waves, rushing rivers, and industrial activity.

Explanation:

6 0

3 years ago