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Lostsunrise [7]
3 years ago
11

What two factors will most likely change the speed of a mechanical wave?

Physics
1 answer:
iVinArrow [24]3 years ago
8 0
Period and wavelength
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Which among the following statement/s is correct?
seropon [69]

Answer:

(D) None

Explanation:

The force of gravity is the force pulling every element of matter together. The more the matter the higher the force of gravity.

Examples of this force at work are;

  • The force that causes an apple to fall from the tree
  • The force that causes a rock to roll downside a hill
  • The force causing people to walk on the earth surface instead of floating

The force that facilitates a pen on your hand to write on a paper is friction force between the pen and the paper. Gravitational force acts downwards thus force applied on an object beside you is not the force of gravity.

8 0
2 years ago
The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole huma
Vesna [10]

Answer:

Number of turns per unit length will be n=2.786\times 10^4turns/m

Explanation:

We have given that strength of the magnetic field produced by the solenoid B = 7 T

Current in the solenoid i = 200 A

Let the number of turns per unit length is n

Magnetic field due to solenoid is given as B=\mu ni here \mu is permeability of free space n is number of turns per unit length and i is current

So 7=4\pi \times 10^{-7}\times  n\times 200

n=2.786\times 10^4turns/m

7 0
3 years ago
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4 0
3 years ago
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In a 2-dimensional coordinate system, the x- and y-axes are typically _____.
dem82 [27]
<span>In a 2-dimensional coordinate system, the x- and y-axes
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7 0
3 years ago
Two square air-filled parallel plates that are initially uncharged are separated by 1.2 mm, and each of them has an area of LaTe
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5.5x 10^-11 C

Explanation:

Pls see attached file

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3 years ago
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