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yKpoI14uk [10]
3 years ago
11

Phosphate never enters the O atmosphere O ground O water O ocean

Physics
1 answer:
gizmo_the_mogwai [7]3 years ago
7 0
I think you can google this because I really don’t know the answer I’m so sorry
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Which of the following is NOT an example of accelerated motion?
Anarel [89]
Accelerated motion  =  any change in speed or direction.

A.  No.  The airplane's speed is increasing.

B.  No.  The boulder's speed increases as it falls.

C.  No.  The speed of the ball decreases as it approaches the peak,
then it changes direction, begins to move downward, and its speed
increases steadily after that.

D.  Yes.  The cyclist's speed and direction are not changing.

3 0
3 years ago
The poles of a magnet cannot be separated. Why?​
BaLLatris [955]
The two poles of magnets must have equal and opposite strength so they cannot be separated

Hope it helps
7 0
3 years ago
Read 2 more answers
If the car has a mass of 0.2 kg, the ratio of height to width of the ramp is 12/75, the initial displacement is 2.25 m, and the
QveST [7]

Answer:

     l = 0.548 m

Explanation:

For this exercise we compensate by finding the speed of the car

         p = m v

         v = p / m

         v = 0.58 / 0.2

         v = 2.9 m / s

this is how fast you get to the ramp, let's use conservation of energy

starting point. Lowest point

         Em₀ = K = ½ m v²

final point. Point where it stops on the ramp

         Em_{f} = U = m g h

  mechanical energy is conserved

          Em₀ = Em_{f}

          ½ m v² = m g h

           h = \frac{m v^2}{2 g}

let's calculate

          h = \frac{0.2 \ 2.9^2}{2 \ 9.8}

          h = 0.0858 m

to find the distance that e travels on the ramp let's use trigonometry, we look for the angle

          tan θ = y / x

          tan θ = 12/75 = 0.16

          θ = tan⁻¹ 0.16

          θ = 9º

therefore

           sin 9 = h / l

           l = h / sin 9

           l = 0.0858 / sin 9

           l = 0.548 m

7 0
3 years ago
Challenge the atmospheric pressure at the surface of Venus is 91 times the pressure at sea level on Earth. With approximately ho
vodka [1.7K]

Atmospheric pressure on the surface of earth is given as

P_a = 1.01 \times 10^5 Pa

now the atmospheric pressure on the surface of Venus

P = 91\times P_a

P = 9.19 \times 10^6 Pa

now as we know that force is the product of pressure and area

F = PA

given that

A = 1.8 m^2

now from above formula

F = 9.19 \times 10^6 (1.8) = 1.65 \times 10^7 N

3 0
3 years ago
The model of the atom has changed as scientists have gathered new evidence. Four models of the atom are shown below, but one imp
maks197457 [2]

Answer:

Thomson’s model

Explanation:

Thompson regarded the atom largely as a sphere of positively charged matter in which negative charges were embedded.

This came to be known as the plum pudding model of the atom because it resembles a pudding studded with currants.

This was an early model of the atom and did not survive further experimental scrutiny of the structure of the atom.

7 0
3 years ago
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