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3 years ago

Can someone help me with this but give details please? (it's a physics class)

Physics

1 answer:

tino4ka555 [31]3 years ago

5 0

Answer:

The question is basically asking you to research a instrument that provides scientific-physical terms like sound waves. It also says to explain how different types of instruments provide different tones.(Hint: Sound waves)

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Which of the following statements is true? A. All metals are magnetic. B. All the magnets are made of iron. C. Earth is a giant

harina [27]

C. Earth <em>is </em>a giant magnet

3 0

3 years ago

A person is nearsighted with a far point of 75.0 cm. a. What focal length contact lens is needed to give him normal vision

BigorU [14]

Complete Question

The complete question is shown on the first uploaded image

Answer:

$f= -75 \ cm = - 0.75 \ m$

$P = -1.33 \ diopters$

Explanation:

From the question we are told that

The image distance is $d_i = -75 cm$

The value of the image is negative because it is on the same side with the corrective glasses

The object distance is $d_o = \infty$

The reason object distance is because the object father than it being picture by the eye

General focal length is mathematically represented as

$\frac{1}{f} = \frac{1}{d_i} - \frac{1}{d_o}$

substituting values

$\frac{1}{f} = \frac{1}{-75} - \frac{1}{\infty}$

=> $f= -75 \ cm = - 0.75 \ m$

Generally the power of the corrective lens is mathematically represented as

$P = \frac{1}{f}$

substituting values

$P = \frac{1}{-0.75}$

$P = -1.33 \ diopters$

7 0

3 years ago

I am looking to buy a new car this summer. I want to buy the fastest car I can and in my

Mashcka [7]

Answer

Se togli 15 mph da 95 e 15, capisci quanto tempo la macchina 2 fa da 0 mph a 70 mph. La prima macchina fa da 0 mph a 60 mph in 5 secondi, e la seconda da 0 mph a 70 mph in 5 secondi. Risulta essere più veloce la seconda macchina. Spero di essere stato utile :)

Explanation:

7 0

3 years ago

Convert to scientific notation:<br> 0.0035

Genrish500 [490]

3.5 x 10^-3 Should be it

3 0

3 years ago

Atoms that combine in What plsss

Brilliant_brown [7]

When atoms combine to form covalent bonds, the resulting collection of atoms or group of atoms is called a molecule.

<h3>How does atom combine?</h3>

Atoms can combine with each other through sharing of the electrons, donating the electrons etc. to make molecules.

When atoms combine by forming covalent bonds, the resulting collection of atoms is called a molecule. We can therefore say that a molecule is the simplest unit of a covalent compound.

Thus, when atoms combine to form covalent bonds, the resulting collection of atoms or group of atoms is called a molecule.

Learn more about combination of atoms here: brainly.com/question/5974633

#SPJ1

3 0

1 year ago

Can someone help me with this but give details please? (it's a physics class)​

Can someone help me with this but give details please? (it's a physics class)