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3 years ago

Which type of mechanical wave moves back and forth?

Physics

2 answers:

agasfer [191]3 years ago

6 0

The correct answer is Longitudinal wave:)

vfiekz [6]3 years ago

3 0

Longitudinal wave

And this I know ;)

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If a body is accelerating m change the velocity of 2 metre per second square when it was acted by five hundred Newton of force t

WARRIOR [948]

Force=500N
Acceleration=2m/s^2

using newtons law

$\\ \rm\Rrightarrow Force=Mass(Acceleration)$

$\\ \rm\Rrightarrow Mass=\dfrac{Force}{Acceleration}$

$\\ \rm\Rrightarrow Mass=\dfrac{500}{2}$

$\\ \rm\Rrightarrow Mass=250kg$

5 0

3 years ago

Read 2 more answers

A 15-kN tensile load will be applied to a 50-m length of steel wire with E = 200 GPa. Determine the smallest diameter wire that

sasho [114]

Answer:

d=13.81 mm

Explanation:

Given that

P = 15 KN ,L = 50 m

E= 200 GPa

ΔL = 25 mm

σ = 150 MPa

Lets take d=Diameter

There are we have two criteria to find out the diameter of the wire

Case I :

According to Stress ,σ = 150 MPa

P = σ A

$A=\dfrac{P}{\sigma}$

$d=\sqrt{\dfrac{4P}{\pi \sigma}}$

By putting the values

$d=\sqrt{\dfrac{4\times 15000}{\pi \times 150}}$

d= 11.28 mm

Case II:

According to elongation ,ΔL = 25 mm

$\Delta L=\dfrac{PL}{AE}$

$A=\dfrac{PL}{E\Delta L}$

$A=\dfrac{4PL}{\pi E\Delta L}$

$d=\sqrt{\dfrac{4\times 15000\times 50000}{\pi \times 200\times 1000\times 25}}$

d=13.81 mm

Therefore the answer will be 13.81 mm .Because it satisfy both the conditions.

3 0

3 years ago

Which of the following are vector quantities? Check all that apply.

Dennis_Churaev [7]

It’s distance for my answer but tell me if anyone tells u this answer thanks

8 0

3 years ago

If you place a piece of paper containing a small letter "d" on the stage, what will the image look like under the microscope?

nadezda [96]

Answer:

it will be

Explanation:

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3 years ago

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Light absorbed by a chlorophyll a causes A) an electron to move from the photon to the chlorophyll. B) an electron to move from

fiasKO [112]

Answer:

B) an electron to move from ground state to an excited state.

Explanation:

Chlorophyll is a pigment that absorbs electromagnetic radiation of the visible spectrum that is used in process of photosynthesis. Chlorophyll's function is to absorb electromagnetic radiation of the visible spectrum and it absorbs blue color radiation the best and green the worst as it reflects it. It absorbs electromagnetic radiation by absorbing the energy of the photon of light by a process called charge separation.

Charge separation is the process by which an electron gets to a higher energy state by absorbing the energy of a photon.

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3 years ago