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yanalaym [24]
3 years ago
5

Please do number 11 need this question bad

Physics
1 answer:
ArbitrLikvidat [17]3 years ago
6 0

Gas always expands or contracts to exactly fill whatever you put it in.

So to measure the volume of a gas, just measure the volume of the jar, the tank, the bottle, the can, or the balloon that the gas is in.

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Newspapers used as covers to keep out the cold were called _________.
Nata [24]
The answer is hoover blankets♥️
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4 years ago
A monochromatic light falls on two narrow slits that are 4.50 um apart. The third destructive fringes which are 35° apart were f
STatiana [176]

Answer:

 y = 1.19 m  and λ = 8.6036 10⁻⁷ m

Explanation:

This is a slit interference problem, the expression for destructive interference is

          d sin θ = m λ

indicate that for the angle of θ = 35º it is in the third order m = 3 and the separation of the slits is d = 4.50 10⁻⁶ m

          λ = d sin  θ / m

let's calculate

          λ = 4.50 10⁻⁶ sin 35  /3

          λ = 8.6036 10⁻⁷ m

for the separation distance from the central stripe, we use trigonometry

         tan θ= y / L

         y = L tan θ

the distance L is measured from the slits, it indicates that the light source is at x = 0.30 m from the slits

         L = 2 -0.30

         L = 1.70 m

           

let's calculate

        y = 1.70 tan 35

        y = 1.19 m

3 0
3 years ago
Based on the graph of velocity over time, which could be the initial velocity and the final velocity for this graph?
dolphi86 [110]
The graph is showing a constant velocity as the line is horizontal. The initial speed is equal to the final speed as there is no changing in acceleration. The second statement is the correct statement

Initial = 2.5 m/s
Final = 2.5 m/s
3 0
3 years ago
Read 2 more answers
Which hormone is released in response to daily variations in light and tends to rise as night falls, peaks at midnight, and fall
hram777 [196]
Melatonin is a hormone being produced by small gland in the brain called pineal gland that helps control sleep and wake cycles. It is also called the sleep hormone because it gives signal that it’s time to sleep. People also used this hormone to adjust the body’s internal clock. It is the hormone that released in response to exposure to sunlight. When the sun sets and night falls, the pineal is activated and begins to vigorously produce melatonin. The amount of melatonin tends to rise as night falls, peaks at midnight, and falls again as the sun rises. It means that it produced more when darker and when the lighter it is; the less melatonin is produced.



5 0
4 years ago
2. Which positions of the pendulum would have the most potential energy?
g100num [7]

Explanation:

im listening to metallica

turn the page

4 0
3 years ago
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