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Contact [7]
3 years ago
6

Which type of telescope focuses star light using mirrors?

Physics
1 answer:
Tatiana [17]3 years ago
7 0

Coudé telescopes use a convex secondary mirror like a Cassegrain and an angled mirror like a Newtonian reflector to move the light rays to a focal point away from the telescope. This arrangement is useful when optical equipment is being used that is too heavy to mount directly on the telescope.

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Plss help me asap
Travka [436]

c. Wind power can turn turbines to generate electrical power.

Explanation:

The correct statement of all is that wind power can turn turbines to generate electrical power.

This is simply the way wind energy from waves are usually harnessed to produce electricity.

  • When a metallic conductor passes in between magnetic fields, it induces and generates electricity as it turns.
  • This is how electricity generating plants are fashioned.
  • Geothermal energy is not generated from moving water. It is produced from heat within the earth brought to the surface. Power from moving water is hydroelectric power.
  • Oil is a non-renewable resource
  • Propane is a non-renewable resource

learn more:

Non-renewable resource brainly.com/question/3386515

#learnwithbrainly

6 0
3 years ago
the radius of the tires on a particular vehicle 0.62m if the tires are rotating 5 times per second, what is the velocity of the
tankabanditka [31]
Circumference of the tire = (2 pi) x (radius)

                                     =  (2 pi) x (0.62 meter)

                                     =    3.9 meters

If the tire never slips or skids, then the speed of the vehicle is

             speed  =  (distance)  /  (time to cover the distance)

                       =  (5 x 3.9 meters)  /  1 second

                       =     19.48 meters/second   .

                    (about 43.6 miles per hour)  .

We can't say anything about the vehicle's velocity, because we have
no information about the direction in which it's heading.
8 0
3 years ago
Which best describes the relationship between humidity and air pressure?
spayn [35]
Answer:<span>Humid air is lighter, so it has lower pressure.

The reason is the molecules of water are H2O, whose molar mass is 18 g/mol.

These molecules displaces molecules of N2 and O2, whose molar masses are:

N2: 2*14g/mol = 28 g/mol, and
O2: 2*16g/mol = 32 g/mol.

Then molecules of 28g/mol and 32 g/mol are being replaced with molecules of 18g/mol, leading to a lower weight of the same volume of air, which results in lower pressure.
</span>
5 0
3 years ago
Read 2 more answers
Reaction time is the lapse of time between muscular movement and external stimuli. True or false
riadik2000 [5.3K]
False. reaction time would be lapse of time between external stimuli and muscular movement
3 0
3 years ago
Read 2 more answers
What factors determine the magnitude of the electric force between two particles ?
svp [43]
The electric force between the two particles are calculated through the equation,
 
                          F = kQ₁Q₂ / d²

where F is the force, k is a constant called Coulomb's law constant, Q₁ and Q₂ are the charges, and d is the distance. This equation is called the Coulomb's law. 

It can be seen from the equation above that the electric forces between the objects are majorly affected by the substance's charges and distance. 

The answer to this item is therefore letter A. 
7 0
3 years ago
Read 2 more answers
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