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DaniilM [7]
3 years ago
7

What happens if different lights are shined through a prism

Physics
2 answers:
shusha [124]3 years ago
7 0
The light will bend when in 
vfiekz [6]3 years ago
4 0
It will bend and create a rainbow
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an object of mass 20kg is lifted to a 25m building. how much potential energy is stored on a mass?(take g=10m/s²)​
Goshia [24]

Answer:

The answer is 5000 Joules

4 0
3 years ago
Please help due today
Leya [2.2K]

Answer:

8

Explanation:

(8√2)² = x² + x²

8² × √2² = 2x²

64 × 2 = 2x²

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3 years ago
The 2779-m Brooklyn-Battery Tunnel, connecting Brooklyn and Manhattan, is one of the world's longest underwater vehicular tunnel
Marina CMI [18]
For a cylinder that has both ends open resonant frequency is given by the following formula:
f= \frac{nv}{2L}
Where n is the resonance node, v is the speed of sound in air and L is the length of a cylinder.
The fundamental frequency is simply the lowest resonant frequency.
We find it by plugging in n=1:
f_0= \frac{v}{2L}=\frac{343}{2\cdot 2779}=0.062 Hz
To find what harmonic has to be excited so that it resonates at f>20Hz we simply plug in f=20 Hz and find our n:
20= \frac{n343}{2\cdot 2779} =n\cdot f_0
We can see that any resonant frequency is simply a multiple of a base frequency.
Let us find which harmonic resonates with the frequency 20 Hz:
20=n\cdot f_0\\ n=\frac{20}{0.062}=322.58
Since n has to be an integer, final answer would be 323.

3 0
3 years ago
How many sig figs are in 300000000
Anna [14]
One and it's the three
5 0
3 years ago
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The driver of a 1000 kg car traveling on a highway at 35 m-s'applies brake to avoid hitting a van in front of him, which had com
puteri [66]

Answer:

Explanation:

kinetic energy will be converted to work of friction

½mv² = Fd

d = mv²/2F = 1000(35²) / (2(8000)) = 76.5625 ≈ 77 m

will be the minimum stopping distance d

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2 years ago
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