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ra1l [238]
3 years ago
6

One gram of salt in 100 liters of water could be considered a _______________________ solution

Physics
2 answers:
Annette [7]3 years ago
6 0
The answer is B, The salt dilute in the water 100 liters.
Doss [256]3 years ago
5 0
That would be a diluted solution

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A resistor and an inductor are connected in series to a battery. The battery is suddenly removed from the circuit. The time cons
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E, 63% of the value. I forget the rationale behind it but I learnt that in engineering. 90% confident for that answer.
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3 years ago
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Which energy transfer occurs when a cube of ice is placed in a glass of<br> water?
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Acetic acid is a weak acid and sodium hydroxide is strong base. Salts of the two will hydrolyse to give basic solution. So, at neutral point, pH of the solution will be greater than 8.
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3 years ago
The velocity of a car doubles over a short period of time. Which additional information is sufficient to determine the amount of
Rom4ik [11]

Answer:

Time and velocity

Explanation:

The time taken for the velocity to double is very important to find the amount of acceleration the car acquires.

Acceleration is the rate of change of velocity with time.

  Acceleration  = \frac{v -u}{t}

v is the initial velocity

u is the final velocity

t is the time taken

 So, the velocity and time is needed to calculate the value of the acceleration the car undergoes.

4 0
3 years ago
When fireworks explode, sound and light are produced. These are examples of
ki77a [65]

Answer: Macroscoptic Output

Explanation:

Answers to the rest:

1. B) macroscopic outputs.

2.A) a microscopic change creating a macroscopic output

3.B) Because the energy levels of the electrons in different metals are usually not the same, different metals usually emit different colors of visible light.

4.A) Heat is applied to a solid, causing its molecules to move quickly.

5.A) strontium, sodium, copper, potassium

6 0
3 years ago
PLZ HELP!!! Detailed PLZ!
Korolek [52]

Answer:

Potential Energy = 294J, Kinetic Engergy = 48.02J

Explanation:

We have these formulas:

Potential Energy = mass * gravitational force * height (m) = 1 * 9.8 * 30 = 294(J)

Kinetic Energy = 1/2 * mass * velocity^2 = 1/2 * 1 * 9.8^2 = 48.02 (J)

As the rock falling at an acceleration of 9.8m/s^2 which means for each second, the rock increases 9.8m/s. I think we are missing time to find the instantaneous velocity, the formula is (initial displacement - final displacement)/ (initial time - final time) which will directly give the final answer for you.

 

5 0
3 years ago
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