3 years ago

Order, from smallest to largest, the following objects:

Physics

2 answers:

agasfer [191]3 years ago

8 0

Answer:

Meteorites,Asteroids,Most moons,earth,sun,the milky way,cluster of galaxies

Explanation:

Makovka662 [10]3 years ago

4 0

cluster of galaxies 1

THE MILky way 2

earth 3

most moons 4

most meteorites 5

and most asteroids 6

ur welcome

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il63 [147K]

Answer:

v= 8.8*10⁷ m/s

Explanation:

Assuming no friction present, the change in electrical potential energy, must be equal in magnitude, to the change in kinetic energy of the electron.
The change in the electrical potential energy, can be expressed as follows:

$\Delta U = (-e)*\Delta V$

The change in kinetic energy, assuming that the electron started from rest, can be written as follows:

$\Delta K = \frac{1}{2} *m*v^{2}$

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From the equation above, replacing by ΔK and ΔU, we have:

$-\Delta U =- (-e)*\Delta V =\Delta K = \frac{1}{2} *m*v^{2}$

Solving for v:

$v=\sqrt{\frac{2*e*\Delta V}{m_{e}} } =\sqrt{\frac{2*1.6e-19C*22e3V}{9.1e-31kg}} }\\ v= 8.8e7 m/s$

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3 years ago

A box with a weight of 100 N rests on a horizontal floor. The coefficient of static friction is = 0,40 and the coefficient of ki

kompoz [17]

Weight=100N
SF=0.4
KF=0.3
Magnitude?
0.4 x 0.3 = 0.12
0.12x100=12
Ans =20

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Which of these would have the greatest pressure?

PIT_PIT [208]

The third one because it is a small one and it had high and high temp so it has the most modecules.

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