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otez555 [7]
3 years ago
14

1. ability to cause change * Pick One PLEASE HELP ME

Physics
2 answers:
kkurt [141]3 years ago
8 0

Answer:

electromagnetic wave  i think

Explanation:

Scrat [10]3 years ago
4 0

Answer:

rarefaction

Explanation:

diminution in the density of something, especially air or a gas.

"opposed processes such as rarefaction and condensation"

MEDICINE

the lessening of density of tissue, especially of nervous tissue or bone.

"the cord has undergone rarefaction"

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A piece of styrofoam has a charge of 0.002 mC and is placed 0.5 m from a grain of salt with a charge of 0.03 nC. How much electr
aleksklad [387]

Answer:

2.16×10⁻⁶ N

Explanation:

Applying,

F = kqq'/r² (coulomb's Law)....................... Equation 1

Where F = electrostatic force, k = coulomb's constant, q = charge on the styrofoam, q' = charge on the grain of salt, r = distance between the charges.

From the question,

Given: q = 0.002 mC = 2.0×10⁻⁶ C, q' = 0.03 nC = 3.0×10⁻¹¹ C, r = 0.5 m

Constant: k = 8.99×10⁹ Nm²/C²

Substitute these values into equation 1

F = (2.0×10⁻⁶)(3.0×10⁻¹¹)(8.99×10⁹)/0.5²

F = 2.16×10⁻⁶ N

5 0
2 years ago
Why are collisions between galaxies more likely than collisions between stars within a galaxy?
KatRina [158]

Answer:

stars share a gravitational force with the galaxy while nearby galaxies do not share a gravitational field.

Explanation:

stars will not collide because they are bound by a gravitational orbit around the galaxy

8 0
3 years ago
In a novel from 1866 the author describes a spaceship that is blasted out of a cannon with a speed of about 11.000 m/s. The spac
Elan Coil [88]

Answer:

a=0.284\ m/s^2

Explanation:

Given that,

Initially, the spaceship was at rest, u = 0

Final velocity of the spaceship, v = 11 m/s

Distance accelerated by the spaceship, d = 213 m

We need to find the acceleration experienced by the occupants of the spaceship during the launch. It is a concept based on the equation of kinematics. Using the third equation of motion to find acceleration.

v^2-u^2=2ad\\\\a=\dfrac{v^2-u^2}{2d}\\\\a=\dfrac{(11)^2-(0)^2}{2\times 213}\\\\a=0.284\ m/s^2

So, the acceleration experienced by the occupants of the spaceship is 0.284\ m/s^2.

5 0
3 years ago
Solubility describes the ability of a substance to evaporate and separate out true or false
sweet [91]
Solubility is a substance dissolving in a liquid. So I would say False just because of the wording here.
5 0
3 years ago
Read 2 more answers
Explain why it is important to create measurable goals.
ANTONII [103]

Answer:

it is important to create measurable goals bc :

  • To determine the point at which the goal has been achieved.
  • It can also help improve motivation allowing an individual to track the progress towards the goal.

hope it helps!

3 0
3 years ago
Read 2 more answers
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