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photoshop1234 [79]
3 years ago
9

Kepler's third law is founded on a mathematical formula that is based on the inverse relationship between a planet's orbital vel

ocity and its distance from _____. the sun the earth the moon some other entity
Physics
2 answers:
zepelin [54]3 years ago
6 0

Answer:

Kepler's third law is founded on a mathematical formula that is based on the inverse relationship between a planet's orbital velocity and its distance from <u>the Sun</u>.        

Explanation:

According to Kepler's third law of planetary motion, the square of period of orbit of a planet (P) is directly proportional to the cube of distance from the Sun (a).

P^2=\frac{4\pi^2 a^3}{GM}

It was derived from equating gravitation force with centripetal force:

\frac{GMm}{a^2}=\frac{mv^2}{a}

There is inverse relation between orbital velocity (v) and its distance from the sun (r)

Cloud [144]3 years ago
4 0
Kepler's third law is founded on a mathematical formula that is based on
the inverse relationship between a planet's orbital velocity and its distance
from the sun.
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Which substance is a combination of different atoms?
zvonat [6]

Answer:

Heterogeneous

Explanation:

A chemical substance is composed of one type of atom or molecule. A mixture is composed of different types of atoms or molecules that are not chemically bonded. A heterogeneous mixture is a mixture of two or more chemical substances where the various components can be visually distinguished.

6 0
3 years ago
Which is heavier sand or clay? then specify why
JulsSmile [24]
I would say clay, because its a solid
8 0
3 years ago
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A boy is whirling a stone around his head by means of a string. The string makes one complete revolution every second, and the t
slega [8]

Answer:

The tension increases to four times its original value.

Explanation:

v = Velocity

r = Radius

m = Mass of stone

The centripetal force is

F_c=m\dfrac{v^2}{r}

The tension will balance the centripetal force

T=m\dfrac{v^2}{r}

\\\Rightarrow T\propto v^2

\dfrac{T_1}{T_2}=\dfrac{v_1^2}{v_2^2}\\\Rightarrow \dfrac{T_1}{T_2}=\dfrac{v_1}{2^2v_1^2}\\\Rightarrow \dfrac{T_1}{T_2}=\dfrac{1}{4}\\\Rightarrow T_2=4T_1

The new tension will be 4 times the old tension

5 0
3 years ago
What is the momentum of a 1400 kg car traveling at 25 m/s?
sveticcg [70]
<h2>Hello</h2>

The answer is:

35000Kg.\frac{m}{s}=35000N

<h2>Why?</h2>

Momentum is the quantity of movement of an object, and it's calculated using the mass and the velocity of the object. Momentum is expressed by the following formula:

p=m*v

Where:

m=mass\\v=velocity

So, calculating we have:

p=m*v=1400Kg*\frac{25m}{s}=35000Kg.\frac{m}{s}=35000N

Remember,

1N=1Kg.\frac{m}{s}

Have a nice day!

5 0
2 years ago
Read 2 more answers
2. Keith took a cube and measured the mass and volume of a
galben [10]

Answer:

<h2>6 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 36 g

volume = 6 cm³

We have

density =  \frac{36}{6}  = 6 \\

We have the final answer as

<h3>6 g/cm³</h3>

Hope this helps you

7 0
2 years ago
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