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4 years ago

Which describes the relationship between the frequency wavelength, and speed of a wave as the wave travels through

Physics

1 answer:

ch4aika [34]4 years ago

3 0

Answer:

As speed changes, wavelength and frequency change.

Explanation:

-Wave speed is related to both the wavelength and wave frequency as:

$Speed= Wavelength \times Frequency$

-Wavelength is measured in meters, frequency in Hertz(Hz) and speed in m/s.

-Increasing the wavelength of a wave decreases its frequency and therefore the wave speed will remain constant .

-As a such, the product of wavelength and wave frequency is still the same speed.

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Based on this electric field diagram, which statement best compares the charge of A with B?

lilavasa [31]

Based on this electric field diagram, the statement which best compares the charge of A with B is "A is negatively charged and B is positively charged. The charge on A is greater than that on B".

<u>Answer:</u> Option A

<u>Explanation:</u>

The charge is quantized represented as elementary charge, about 1.602×10−19 coulombs. Their are two kinds of electric charging: positive and negative (usually transported, separately, by protons and electrons). Like charges repel each other, while attraction occurs among unlike charges. An entity without net charge is considered neutral. If a piece of matter comprises more electrons than protons, it has a negative charge, when there are fewer, it'll have a positive charge and when there are equal amounts, this will be neutral.

4 0

4 years ago

A remote-controlled car is moving in a vacant parking lot. The velocity of the car as a function of time is given by V =[5.00m/s

beks73 [17]

Equation of velocity is given as

$V =[5.00m/s−(0.0180m/s^3)t^2]i^ + [2.00m/s+(0.550m/s^2)t]j^$

at t = 7.93 s

$v = 3.87 \hat i + 6.36 \hat j$

so the magnitude of the velocity is given as

$v = \sqrt{3.87^2 + 6.36^2}$

$v = 7.45 m/s$

Part b)

the direction of the velocity is given as

$\theta = tan^{-1}\frac{6.36}{3.87}$

$\theta = 58.7 degree$

part c)

for acceleration we know that

$a = \frac{dv}{dt}$

$a = -0.036 t\hat i + 0.550\hat j$

at t = 7.93 s

$a = -0.285\hat i + 0.550\hat j$

magnitude is given as

$a = \sqrt{0.285^2 + 0.550^2}$

$a = 0.62 m/s^2$

Part d)

for the direction of the motion

$\theta = tan^{-1}\frac{0.550}{-0.285}$

$\theta = 117.4 degree$

4 0

3 years ago

Do x and y have a proportional relationship?

Alja [10]

Answer:

no they don't

Explanation:

6 0

3 years ago

Science in the study of the natural world through. And.

Lyrx [107]

You need to finish the question

6 0

3 years ago

NEED ANSWER NOW PLZ!!

ira [324]

Answer:

Explanation:

A beta particle is formed when a neutron changes into a proton and a high-energy electron. The proton stays in the nucleus but the electron leaves the atom as a beta particle.

6 0

3 years ago