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____ [38]
3 years ago
11

Fill in the blank for the following statement: Physical weathering is the ________.

Physics
2 answers:
Tanya [424]3 years ago
4 0

Answer:

Breakdown of rocks

Hope this helps :)

Nimfa-mama [501]3 years ago
3 0

Answer:

Disintegration of rocks without chemical change.

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A spring stores potential energy U0 when it is compressed a distance x0 from its uncompressed length.
beks73 [17]

Answer:

Explanation:

Using Hooke's law

Elastic potential energy = 1/2 K x²

K is elastic constant of the spring

x is the extension of the spring

a) The elastic potential energy when the spring is compressed twice as much  Uel = 1/2 k (2x₀) ² =  4 (1/2 kx₀²)= 4 U₀

b) when is compressed half as much Uel = 1/2 k \frac{x0}{4} ^{2} = \frac{1}{4} ( U₀)

c) make x₀ subject of the formula in the equation for elastic potential

      x₀ =\sqrt{\frac{2U0}{K}  }

x, the amount it will compressed to tore twice as much energy = \sqrt{\frac{2 (2U0)}{K} }

x = √2 x₀

d) x₁, the new length it must be compressed to store half as much energy = \sqrt{\frac{2 (\frac{1}{2})U0 }{K} }

x₁ = \sqrt{\frac{1}{2} } x₀

5 0
3 years ago
A small metal ball with a mass of m = 62.0 g is attached to a string of length l = 1.85 m. It is held at an angle of θ = 48.5° w
notka56 [123]

The distance x will the ball land after flies off with a horizontal initial velocity  is 3.0635 m.

<h3>What is mechanical energy?</h3>

The mechanical energy is the sum of kinetic energy and the potential energy of an object at any instant of time.

M.E = KE +PE

A small metal ball with a mass of m = 62.0 g is attached to a string of length l = 1.85 m. It is held at an angle of θ = 48.5° with respect to the vertical.

The ball is then released. When the rope is vertical, the ball collides head-on and perfectly elastically with an identical ball originally at rest. This second ball flies off with a horizontal initial velocity from a height of h = 3.76 m, and then later it hits the ground.

The conservation of energy principle states that total mechanical energy remains conserved in all situations where there is no external force acting on the system.

Kinetic energy  = Potential energy

1/2 mv² =mgh₁

The velocity at the bottom, when the height h = 5m, is

v= √2gh₁...................(1)

The vertical height h₁ = l- lcosθ

h₁ = l- lcosθ

h₁ = 1.85 - 1.85cos48.5°

h₁ =0.6241 m

Putting the values in equation (1), we get

v = √2x 9.81 x0.6241

v = 3.499 m/s

The horizontal distance traveled is

x = vt

x = v x √2h/g

Plug the values, we get

x =  3.499 x √2x3.76 / 9.81

x = 3.0635 m

Thus, the horizontal distance ball travels is  3.0635 m.

Learn more about mechanical energy.

brainly.com/question/13552918

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6 0
2 years ago
What is the net force on the purple ring in the picture below. _________
Setler79 [48]
The dogs i think haha
5 0
3 years ago
Which type of communications equipment functions as a radio receiver and searches across several frequencies?
krok68 [10]

A <u>scanner</u> is a type of communications equipment that functions as a radio receiver and searches across several frequencies.

A scanner is a kind of a radio receiver that has the ability to receive multiple signals.

There are three modes which a scanner uses for acting as a radio receiver. The scan mode of the radio receiver constantly changes frequencies that helps in transmissions. There is also a manual scan mode that allows the users to search for their interested frequencies. The search mode allows the users to search through two sets of frequencies.

A scanner is a type of communication equipment that is easy to use with various features such as the volume, numeric keypad,  trunk tracking etc.

To learn more about scanners, click here:

brainly.com/question/24937533

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7 0
2 years ago
1. Which of the following is correct about the sampling distribution of the sample mean
joja [24]

Answer:

In my opinion I think that the answer is C sorry If I get this wrong.

5 0
3 years ago
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