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klemol [59]
3 years ago
8

Mendeleev arranged the known chemical elements in a table according to increasing

Physics
1 answer:
Ira Lisetskai [31]3 years ago
6 0
He ordered into increasing atomic mass
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A spaceship orbiting earth flies to the moon. How is the gravitational force pulling on the spaceship related to the distance th
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The correct answer is "As the distance from the earth increases, the gravitational pull on the spaceship would decrease."

In fact, the gravitational force (attractive) exerted by the Earth on the spaceship is given by
F=G \frac{Mm}{d^2}
where G is the gravitational constant, M the Earth's mass, m the mass of the spaceship and d the distance of the spaceship from the Earth. As we can see from the formula, as the distance d between the spaceship and the Earth increases, the gravitational force F decreases, so answer D) is the correct one.
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3 years ago
8. How is the crystal size different for extrusive and intrusive igneous rocks?
eduard
<span>Igneous rocks which form by the crystallization of magma at a depth within the Earth are called intrusive rocks. Intrusive rocks are characterized by large crystal sizes, i.e., their visual appearance shows individual crystals interlocked together to form the rock mass.  hope that helped</span>
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3 years ago
A toy rocket fires its engines to launch it straight up from rest. After a short time, the engine turns off and the
madreJ [45]

Answer:

at 10 seconds.. b/c that's when the velocity stops increasing..

Explanation:

8 0
3 years ago
A crate slides down a ramp that makes a 20o angle with the ground. To keep the crate moving at a steady speed, Paige pushes back
cupoosta [38]

Answer:

-223.64684 J

Explanation:

F = Force that is applied to the crate = 68 N

s = Displacement of the crate = 3.5 m

\theta = Angle between the force and displacement vector = (180-20)

Work done is given by

W=Fscos\theta\\\Rightarrow W=68\times 3.5\times cos(180-20)\\\Rightarrow W=-223.64684\ J

The work that Paige does on the crate is -223.64684 J

6 0
3 years ago
A ball appears blue outside. When you walk inside, it now looks green. Use reflection to explain why this happened.
Soloha48 [4]

Answer:

the object reflects blue light and absorbs rest of the spectrum.

Explanation:

3 0
2 years ago
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