PHYSICS HIGH SCHOOL

For a satellite to stay in orbit around Earth, it has to be moving forward very fast all the time. What force will make it fall to Earth if it goes too slowly?Earth's gravity

the force of friction

the magnetic force from Earth's north pole

the Sun's gravity

Answers

Answer 1
Answer:
Maintaining an orbit has nothing to do with the satellite's speed.
ANY (tangential) speed is enough to stay in orbit, if the satellite
just stays away from Earth's atmosphere.

If the satellite completely stops moving 'sideways' at all, and just
hangs there, then the forces of gravity between the satellite and
the Earth will pull them together ... the satellite will fall into the
atmosphere and then to the ground.
Answer 2
Answer: Most important
Centripetal force which makes it attract towards the earth and makes it able to move around

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What is the slope of the line if the rise of a line on a distance versus-time graph is 900 meters and the run is 3 minutes?
Which statement bet explains the relationship between the electric force between two charged objects and the distance between them
If the distance is halved and the charges of both particles are doubled, the force is ________ as great.

What is another unit for momentum besides kg-m/s?
a. N
b. N-s
c. N-s2
d. N/s

Answers

'Newton-second' is dimensionally equivalent to 'kilogram-meter/second'.

What is the power of 10 when 0.000028 is written in scientific notation

Answers

For this case, the first thing we must do is define the scientific notation.

We have then:

Scientific notation is a way of writing numbers too big or small in a conventional way.

A number written in scientific notation has the following form:

Where,

m: it is called matinsa

e: it is the order of magnitude

Therefore, for the given number we have that the scientific notation is:

Answer:

the power of 10 when 0.000028 is written in scientific notation is:

-5
2.8x10 to the power of -5

Type 2 diabetes accounts for _______ percent of all cases of diabetes

Answers

Type 2 diabetes is a common and illness that is largely preventable. In adults, types about 90 to 95 percent of all diagnosed cases of diabetes; the remainder are adult-onset (or adult-diagnosed) type 1 diabetes, a form of diabetes for which the cause is unknown

90-95 Percent,  (I took the test and got an 100).

A stone falls from a ledge and takes 8 seconds to hit the ground. The stone has an original velocity of 0 m/s. How tall is the ledge? A. 313.6 meters B. 78.4 meters C. 39.2 meters D. 1,254.4 meters

Answers

The right answer for the question that is being asked and shown above is that: "D. 1,254.4 meters." A stone falls from a ledge and takes 8 seconds to hit the ground. The stone has an original velocity of 0 m/s. The ledge has the height of D. 1,254.4 meters

By the way, on the Penn Foster test, C. 1,254.4 meters is incorrect.

How do you work out the Equivalent Fractiontion to 3/7

Answers

×top and bottom by 2
(you don't have to but it is easier)

6/14=3/7

What is not needed for a charge to flow through a conducting wire?A. an electrical insulator

B. a wire connected in a complete loop

C. a source of electrical energy

Answers

Answer: The correct answer is an electrical insulator.

Explanation:

Insulator : It is a material which resists the flow of electrons. It has high resistance in comparison to the conductor.

Conductor: It is a material which allows the flow of electrons. It has low resistance in comparison to the conductor.

Battery is a source of electrical energy. It forces the electrons to flow. The rate of flow of electrons constitutes the current.

In the given problem, an electrical insulator is not needed for a charge to flow through a conducting wire.

To design the circuit and to make a current flow in the circuit, a battery, a wire connected in a complete loop and a source of electrical energy are needed.

Therefore, the correct option is (C).
An electrical insulator would not be needed for a charge to flow through a conducting wire.

Answer: Letter A 

Hope that helps! -UF aka Nadia
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