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Lina20 [59]
3 years ago
14

The magnification ability of a reflecting telescope increases when the focal lengths of its:

Physics
1 answer:
serg [7]3 years ago
8 0

The telescope has the ability to enlarge an image and depends on the combination of lenses used.

Explanation:

Eyepiece performs magnification. The size of primary lens or primary mirror determines the Light gathering power. The main functions of telescope are light gathering, resolution and magnification.

The light gathering power has the ability of a telescope to collect more light than human eye. The purpose of telescope is to focus photons.

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A seesaw pivots as shown in below. What is the net torque about the pivot point?
rodikova [14]

Answer:

2.3 Nm clockwise

Explanation:

Take counterclockwise to be positive and clockwise to be negative.

∑τ = (3 N) (2.5 m) − (7 N) (1.4 m)

∑τ = 7.5 Nm − 9.8 Nm

∑τ = -2.3 Nm

The net torque is 2.3 Nm clockwise.

7 0
4 years ago
Which of the following units would be used for messuring volume?
drek231 [11]
Graduated cylinders have numbers on the side that help you measure volume
3 0
3 years ago
Read 2 more answers
Hair color is a trait that’s controlled by many genes working together. Each gene contributes to this trait only in a small prop
Anna35 [415]
The correct answer should be polygenic inheritance

Most genes that affect the way a human being looks have been inherited in this way. Not only hair but also things like height and weight, eye color, and similar.
5 0
4 years ago
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A car’s headlights dissipate 40 W on low beam and 50 W on high beam. Is there more or less resistance in the high-beam filament?
love history [14]

Answer:

The high-beam filament has more resistance than low beam filament.

Explanation:

To determine if the 50 W dissipated by a car’s headlights on high beam, has more or less resistance, formula for power dissipated in the filament is used.

Power = IV

Voltage =IR

∴ Power = I*IR = I²R

where;

I is the current

V is the voltage

R is the resistance

From the equation above, Power dissipated is directly proportional to Resistance.

Hence, the high-beam filament has more resistance than low beam filament.

3 0
3 years ago
When moving a suitcase, you exert a force of 700 N and push it 3.0 m. How much work have you done on the suitcase?
skad [1K]

Answer:

2,100J

Explanation:

Workdone=Force x distance

=700 x 3

=2,100 J

8 0
3 years ago
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