Physics College

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Plzz Help Pls I Need Home Ill Make You Brainliest

Answers

Answer 1

Answer:

Explanation:

plz senda clearer image

Answer 2
Umm sorry I’m not sure but I know it’s not A or B. I think it’s C and maybe D or E. I would pick C and E.


I hope this helps!! Good Luck!!!!!!

Related Questions

In any given wave, when the frequency of the wave doubles (f = 2f), which of the following other changes would also take place?
A The wavelength would double (λ = 2λ).
B The velocity would double (v = 2v).
C The wavelength would be half (λ = λ/2).
D The velocity would be half (v = v/2).

Answers

Answer:

The correct answer is -

B. The velocity would double (v = 2v).

C. The wavelength would be half (λ = λ/2).

Explanation:

A wave has a speed or velocity that is related to the wavelength of the wave and the frequency of the wave and this relationship can be represented by the following equation-

Wave velocity V = Wavelength (λ) * Frequency (f)

Frequency (f) = Velocity (V) / Wavelength(λ).

The frequency and wavelength are inversely proportional and frequency and velocity are directly proportional to each other.

So, if f = 2f then,

putting value in the formula,

2f = 2v/λ, which means, f = 2v and f = λ/2

when the frequency is doubled, the wavelength will be halved and velocity will be doubled.

use the pendulum equation to calcuate the period of a 1.50 pendulum. Remeber that the vaule of "g" is 9.81 m/s² please help ​

Answers

Answer:

L = 3.51

Explanation:

Pendulum equation is T = 2pi[tex]\sqrt{L/9.81}[/tex]

T = 1.5 and we are solving for L

1.5=2[tex]\pi \sqrt{L/9.81}[/tex]

square both sides to get 2.25 = 2[tex]\pi ( L/9.81)[/tex]

multiply both sides by 9.81 then divide by 2 and 3.14 as a substitue for pi. The answer should be about 3.51 in length

L = 3.51

If this helps, mark me brainliest pls

Would you be more concerned if something you consider precious went through a
chemical change or a physical change? Why?

Can somebody help me please!

Answers

Answer:

Explanation:

A chemical change.

Usually those are irreversible. Or they may be reversible, but the form they take may leave your object not the same as they started out.

A physical change might be just as deadly. If the object melted like a chocolate Easter Bunny then the object would be irreversible as well. Take a better example.

Suppose you are talking about a Gold Coin. If you heated it so it melted, the gold would retain its value, but the fact that it is a coin and valuable as such, means that it has lost that part of its value.

I really don't know. My instincts tell me that the chemical change is more dangerous, but I can't rule out the other choice..

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