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Fofino [41]
2 years ago
8

1. Why do satellites not need to fire their rockets once they’re in orbit?

Physics
1 answer:
love history [14]2 years ago
8 0

Answer:

1.A satellite maintains its orbit by balancing two factors: its velocity and the gravitational pull that Earth has on it.

I'm sorry I only know the first one

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What are the four different types of economic resources?
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The factors of production are resources that are the building blocks of the economy; they are what people use<span> to </span>produce goods<span> and services. Economists divide the factors of production into four categories: </span>land<span>, </span>labor<span>, </span>capital<span>, and entrepreneurship. hope that helped</span>
8 0
3 years ago
Where is most of the energy from incoming waves focused?
zavuch27 [327]
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3 0
2 years ago
A foot player runs 1.6m/s and has a KE of 790 J. What is his mass?
Mariana [72]
The equation for kinetic energy is,

Ke = (1/2)mv^2.

You're given a kinetic energy of 790 joules, and a speed of 1.6 m/s. Plugging these values into the equation, we get,

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Solving for m, we get,

m = (790)/(0.5(1.6)^2).

I'll let you crunch out those numbers for yourself :D

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3 0
3 years ago
A 20 N unbalanced force causes an object to accelerate at 1.5 m/s2. What is the mass of the object?
Ket [755]

<u>Answer:</u>

Force = 20N

acceleration (a) = 1.5 m/s²

Mass of object (m) = ?

<u>From Newtons II law</u>

                   <em>    F = m. a N</em>

                        m =  F/a

                        m = 20/1.5

                      <em>  m = 13.34 Kg</em>

<em>Mass of an object is 13.34 Kg</em>

8 0
3 years ago
Why does the total amount of energy before and after<br> any energy transformations remain the same?
snow_tiger [21]

The Law of Conservation of Energy states that, in an isolated system, energy remains constant and can not be created or destroyed, only transferred from one form to another. This law was created by Julius Robert Mayer.

8 0
3 years ago
Read 2 more answers
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