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Contact [7]
3 years ago
6

Can you explain what a mixture is from a chemical prospective?

Physics
2 answers:
Oxana [17]3 years ago
7 0

Answer:

I know I'm late but...

Explanation:

A mixture is the combination of two or more substances together. And I'm pretty sure that a mixture has no chemical substances. And mixtures can be physically separated.

Hope this helps you!

Stay safe and have a wonderful day/night!! :)

Please give brainliest to the person above!!!!!

sergeinik [125]3 years ago
5 0

Answer:

Mixtures are materials that contain two or more chemical substances dispersed among each other (mixed together). If no chemical reaction occurs when two materials are mixed, they form a mixture. The chemical properties of the components don't change.

Explanation:

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Johnny stretches a spring 40 cm from its resting position. The spring’s constant of proportionality is 20 N/m. What is the sprin
sergiy2304 [10]

The spring potential energy is 1.6 J

Explanation:

The elastic potential energy of a spring is given by the equation:

U = \frac{1}{2}kx^2

where

U is the potential energy

k is the spring constant

x is the compression/stretching of the spring

For the spring in this problem, we have:

x = 40 cm = 0.40 m is the stretching

k = 20 N/m is the spring constant

Substituting into the equation, we can find the spring potential energy:

U=\frac{1}{2}(20)(0.40)^2=1.6 J

#LearnwithBrainly

6 0
3 years ago
What specific behavioral effects of your upbringing can you identify in yourself?
Rudiy27

Answer:

Respect for elders, Honesty, and Reservedness

Explanation:

As a child, due to the nature of my father's job, I grew up in a barrack where people of different ethnic and cultural backgrounds lived. My father is a highly disciplined man who give great values to behavioral values such as respect, honesty and reservedness. His soldier friends who are equally disciplined instill the same values in their wards. They taught us the importance of possessing these great attributes and ensured that there was compliance.

The upbringing I had as a child made me see these three attributes as a lifestyle and they now have an enormous effect in my daily life.

8 0
3 years ago
If a weightlifter used 1,200 newtons of force to lift a barbell to a height of 2.5 meters in 3 seconds, how much work did he do?
Blizzard [7]
C.)  Work done = Force x displacement = 1200 x 2.5 = 3000 J. Hope this helps!
3 0
3 years ago
A fire warms you by transferring _<br> energy
NemiM [27]
Answer- thermal energy :)
8 0
4 years ago
Read 2 more answers
Two projectile launchers are beside one another on level ground. Both launchers are directed at the same angle with respect to g
kakasveta [241]

Answer:

(a) Projectile B will travel 4 times as far as projectile A prior to landing

Explanation:

Initial velocity = v

Angle at which the projectile is shot at = θ

g = Acceleration due to gravity

Range of a projectile is given by

R=\frac {v^{2}\sin 2\theta}{g}

When Initial velocity = v

R_A=\frac{v^{2}\sin 2\theta}{g}

When Initial velocity = 2v

R_B=\frac{(2v)^{2}\sin 2\theta}{g}\\\Rightarrow R_B=\frac{4v^2\sin 2\theta}{g}

Dividing the equtions, we get

\frac{R_A}{R_B}=\frac{\frac{v^{2}\sin 2\theta}{g}}{\frac{4v^2\sin 2\theta}{g}}

Here, the angle at which the projectiles are fired at are equal.

\frac{R_A}{R_B}=\frac{1}{4}\\\Rightarrow R_B=4R_A

Hence, projectile B will travel 4 times as far as projectile A prior to landing

7 0
3 years ago
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