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lidiya [134]
3 years ago
3

Wich statements accurately describes accurately describe satellite motion )

Physics
2 answers:
Ann [662]3 years ago
8 0
Here are some examples of statements that accurately describe satellite motion:
Gravity is the only force acting on a satellite.
Circular orbits result from the interaction between gravity and inertia.
Gravity provides the centripetal force for satellites.Satellites are in free fall around Earth or other central objects.
Hope this helps!
Leya [2.2K]3 years ago
4 0

Hello. This question is incomplete. The full question

"Which statements accurately describe satellite motion? Check all that apply: Gravity is the only force acting on a satellite.  Inertia is the only cause of a satellite’s circular motion.  Air resistance prevents satellites from staying in orbit for very long.  Circular orbits result from the interaction between gravity and inertia.  Gravity provides the centripetal force for satellites.  Satellites are in free fall around Earth or other central objects."

Answer:

  • Gravity is the only force acting on a satellite.
  • Circular orbits result from the interaction between gravity and inertia.
  • Gravity provides the centripetal force for satellites.
  • Satellites are in free fall around Earth or other central objects.

Explanation:

Satellites are bodies that orbit around a celestial body. They can be classified as natural (celestial stars that orbit around a planet, for example, the Moon) and artificial (objects made by man and placed in orbit of a celestial body). There are several artificial satellites around our planet and with different functions, such as communication, meteorological, military and astronomical satellites.

The movement of satellites around a planet obeys Kepler's Laws and Universal Gravitation. About this movement we can say that:

  • Gravity is the only force acting on a satellite.
  • Circular orbits result from the interaction between gravity and inertia.
  • Gravity provides the centripetal force for satellites.
  • Satellites are in free fall around Earth or other central objects.
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how much work is done in moving a charge of 3 coulomb for a point at the volts 115 to a point at 125 volts​
Alona [7]

Answer:

We use the Formula,

Work done = total chargr×potential difference

W=Q(total)× V

Here

Q= total charge= Give 3c

V=potential difference= 10v

so the work done in moving the charge from A to B will be,

w=3×10

w= 30 joules

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3 years ago
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3 years ago
A person weighing 785 newtons on the surface of Earth would weigh 298 newtons on the surface of Mars.
rodikova [14]

Answer:

The gravitational field strength on the surface of Mars = 3.72 m/s²

Explanation:

Gravitational Field Strength: This can be defined as the force per unit mass which is exerted at that point. its direction is the force exerted on a mass in a gravitational field. The S.I unit of gravitational field strength is m/s²

Mathematically, Gravitational field is represented as,

g = F/m ..................... Equation 1.

m = F/g ..................... Equation 2.

Where g = gravitational Field Strength, F = force on the mass, m = mass of the body.

From the question,

Note: That The mass of the object is constant both on the surface of the earth and on the surface of Mars.

On the Surface of the earth,

Given: F = 785 N, g = 9.8 m/s²

Substituting this values into equation 2,

m = 785/9.8

m = 80.10 kg.

On the surface of Mars.

Given: m = 80.10 kg, F = 298.

Substituting into equation 2

g = 298/80.1

g = 3.72 m/s²

Thus the gravitational field strength on the surface of Mars = 3.72 m/s²

3 0
4 years ago
What is the most abundant gas in the atmosphere?
Snowcat [4.5K]

Answer: Nitrogen

Explanation: Nitrogen makes up 78% of the atmosphere, Oxygen makes up 21%, and Argon 0.9%.

Water vaper makes up between 1-4%, depending on the region.

Carbon Dioxide makes up only about 0.04%.

8 0
4 years ago
A hydraulic system contains 3 pistons. The input piston has an area of 0.625 in2, one of the output pistons ( piston A ) has an
Xelga [282]

The area of Piston A is 13.88 in^2

What is a hydraulic system?

The hydraulic system functions by using pressurized fluid.  The power of liquid fuel in hydraulics is significant and as a result, they are commonly used in heavy equipment.

Hydraulic system simply means a mechanical function that operates through the force of liquid pressure.

Here

A hydraulic system contains 3 pistons.

Pressure, P = 1440 psi

for piston A:

Area, A= 0.625 in^2

Force, F = 20,000 lb

We know that,

Force = Pressure x Area

F = P x A

Area ( piston A) = F / P

A = 20,000 / 1440

A = 13.88 in^2

Hence,

The area of Piston A is 13.88 in^2

Learn more about hydraulic system here:

<u>brainly.com/question/27961071</u>

#SPJ4

4 0
2 years ago
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