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rusak2 [61]
4 years ago
5

Which answer choice?? I have trouble with this physics concept :/

Physics
1 answer:
Zepler [3.9K]4 years ago
8 0

Answer:

Your weight

Explanation:

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Consider a particle moving along the x-axis where x(t) is the position of the particle at time t, x'(t) is its velocity, and x''
Lady_Fox [76]

Answer:

We know that the acceleration of the particle is defined as

a(t)=\frac{dv}{dt}

Since it is given that

v(t)=\frac{5}{\sqrt{t}}\\\\\therefore a(t)=\frac{d(\frac{5}{\sqrt{t}})}{dt}\\\\a(t)=5\times \frac{dt^{-\frac{1}{2}}}{dt}\\\\=\frac{-5}{2}t^{\frac{-1}{2}-1}\\\\\therefore a(t)=x''(t)=\frac{-2.5}{t^{\frac{3}{2}}}

Now by definition of velocity we have

v(t)=\frac{dx(t)}{dt}\\\\\Rightarrow dx(t)=v(t)dt

Integrating on both sides we get

v(t)=\frac{dx(t)}{dt}\\\\\int dx(t)=\int v(t)dt\\\\x(t)=\int v(t)dt

Applying values we get

v(t)=\frac{dx(t)}{dt}\\\\\int dx(t)=\int v(t)dt\\\\x(t)=\int \frac{5}{t^{\frac{1}{2}}}dt\\\\\therefore x(t)=\frac{5}{0.5}\int t^{-0.5}dt\\\\x(t)=10\sqrt{t}+c

To find the constant we note that at t=1 the particle is at x=12 Thus applying values in the above equation we get

c=12-10\\\therefore c=2\\\\x(t)=10\sqrt{t}+2

6 0
3 years ago
(01.05 LC)<br> Which of the following bones is classified as part of the axial skeleton?
Andrej [43]

Answer:c

Explanation:

because it is the same

4 0
3 years ago
What is the purpose of moving a magnet 50 time from top of needle to point
Nookie1986 [14]
Magnets attract or repel other magnets.
5 0
3 years ago
Which of the following statements is not true of vibrations?
defon

Answer:

b

Explanation:

5 0
3 years ago
The ____ is a wedge-shaped thickening in the middle layer of the eyeball that controls the shape of the lens.
Yanka [14]

The ciliary body is a wedge-shaped thickening in the middle layer of the eyeball that controls the shape of the lens.

The ciliary body is a section of the middle layer of the eye's wall. It is located behind the iris.  It includes a ring-shaped muscle that modifies the curvature of the lens when the eye focuses.

Additionally, it creates the transparent liquid that fills the area between the iris and the cornea. Aqueous humor is the name of this fluid in the eye.

It also contains the ciliary muscle, which modifies the lens' shape when your eyes focus on a close object.

The anterior pars plicata and the posterior pars plana are two parts of ciliary body. The anterior vitreous comes into contact with the pars plana, which creates a smooth surface. The ciliary processes, which are 70–80 radiating ridges, are produced by the pars plicata.

To learn more about the molar mass please click on the link brainly.com/question/14042796

#SPJ4

8 0
2 years ago
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