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Inessa05 [86]
3 years ago
11

Water can break down rocks because

Physics
2 answers:
Katarina [22]3 years ago
7 0

Rainwater fills small cracks in a rock. As the water freezes, it expands, widening the cracks and splitting apart the rock.


I would say this too.

HOPE THIS HELPS:)

4vir4ik [10]3 years ago
4 0
Ice wedging, pressure release, plant root growth, and abrasion can<span> all </span>break<span> apart</span>rocks<span>. ... When plants grow in cracks in a </span>rock<span>, their roots </span>can<span> widen the cracks and force the </span>rock<span> apart. Rainwater fills small cracks in a </span>rock<span>. As the </span>water<span> freezes, it expands, widening the cracks and splitting apart the </span>rock<span>.</span>
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Please help...........................
Marianna [84]
Hi!

Neutrons are neutral, which means they don't exactly have an electrical charge. It's because of this neutral charge that it is represented with a '0'. 

On the other hand, protons and electrons <em>do </em>have electrical charges. Electrons flow around the outside of the nucleus, with a negative charge.

Protons are stored in the nucleus with the neutrons, holding a positive charge.

Hopefully, this helps! =)
6 0
4 years ago
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Which of the following is true about magnetic poles?
Vika [28.1K]
The answer is A. Have you ever heard the saying, opposites attract? That comes from magnetism. Like poles repel each other while opposites attract.
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3 years ago
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An electron is accelerated through 1.90 103 V from rest and then enters a uniform 1.80-T magnetic field.
cluponka [151]

Answer:

https://www.slader.com/discussion/question/an-electron-is-accelerated-through-240-times-103-v-from-rest-and-then-enters-a-uniform-170-t-magnetic-field-what-are-a-the-maximum-and-b-the-9e425fbd/

( Here is solution)

3 0
3 years ago
What is the acceleration of the object?<br> m/s2
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8 0
3 years ago
A concave spherical mirror has a radius of curvature of magnitude 20.0 cm. (a) Find the location of the image for object distanc
Tems11 [23]

Answer:

Answered

Explanation:

The radius of curvature of the mirror R = 20 cm

then the focal length f = R/2 = 10 cm

(a) From mirror formula

 1/f = 1/di + /1do

then the image distance

    di = fd_o / d_o - f

  = (10)(40) / 40-10

 = 30.76 cm

since the image distance is positive so the image is real

ii) when the object distance d_0=20 cm

 di = 10×20/ 20-10

= 20

Hence, the image must be  real

iii)when the object distance d_0 = 10

di = 10×10 / 10-10 =  ∞ (infinite)

the image will be formed at ∞

here also image will be real but diminished.

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3 years ago
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