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Tems11 [23]
4 years ago
5

HELP PLEASEEEEE

Physics
2 answers:
Alex4 years ago
4 0
A mixture, oil and water can’t mix but thinks like water and food coloring can
Agata [3.3K]4 years ago
3 0

Answer:

its mixture

Explanation:

It says COMBONATION

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An object that has negative acceleration is definitely doing what?
aksik [14]

Answer:

An object with 0 acceleration is accelerating in a direction that is opposite to a stated positive direction.

Explanation:

Acceleration is not always based on speeding up or slowing down (a constant speed is no acceleration at all), it's also based on direction. If you state that an object is positively accelerating when you throw it upwards, then it's negatively accelerating when it's falling even though it's velocity is increasing.

8 0
4 years ago
Read 2 more answers
Which options correctly describe the velocity of the object represented in the graph?
kirza4 [7]
There is no graph ...
7 0
2 years ago
A sound wave has a speed of 345 m/s and a wavelength of 4.15 meters. What is the frequency of this wave?
Debora [2.8K]

Answer:

83 hertz

OPTION A

Explanation:

wavelength =  \frac{speed}{frequency}

Given

wavelength=4.15m

speed=345 m/s

frequency =  \frac{speed}{wavelength} =  \frac{345}{4.15}

frequency = 83 \: hertz

I hope it helped you

5 0
3 years ago
An object is 50 cm from a converging lens with a focal length of 40 cm . A real image is formed on the other side of the lens, 2
Leno4ka [110]

Answer:

d) -4.0

Explanation:

The magnification of a lens is given by

M=-\frac{q}{p}

where

M is the magnification

q is the distance of the image from the lens

p is the distance of the object from the lens

In this problem, we have

p = 50 cm is the distance of the object from the lens

q = 250 cm - 50 cm is the distance of the image from the lens (because the image is 250 cm from the obejct

Also, q is positive since the image is real

So, the magnification is

M=-\frac{200 cm}{50 cm}=-4.0

7 0
3 years ago
What is a cost of urbanization
maw [93]
Urbanization often requires extensive ecological change and many times destruction and displacement to occur. This can have a negative impact on the environment, and the animals within ecosystems undergoing urbanization.

Hope this helps!
4 0
4 years ago
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