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san4es73 [151]
2 years ago
8

Se lanza verticalmente hacia arriba una piedra con una velocidad de 125km/h.

Physics
1 answer:
Anon25 [30]2 years ago
5 0
I think it’s C not sure tho
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A rocket fires its engines to launch straight up from rest
alexira [117]
Weow that’s cool but what is your question
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3 years ago
A ship's propeller of diameter 3 m makes 10.6 revolutions in 30s. What is the angular velocity of the propeller?
ycow [4]

Answer:

The angular velocity of the propeller is 2.22 rad/s.

Explanation:

The angular velocity (ω) of the propeller is:  

\omega = \frac{\Delta \theta}{\Delta t}                              

Where:

θ: is the angular displacement = 10.6 revolutions

t: is the time = 30 s

\omega = \frac{\Delta \theta}{\Delta t} = \frac{10.6 rev*\frac{2\pi rad}{1 rev}}{30 s} = 2.22 rad/s

Therefore, the angular velocity of the propeller is 2.22 rad/s.

I hope it helps you!

5 0
2 years ago
Describe the shape of the light waves that would be created from a single, uncovered light bulb
lilavasa [31]
Curvy lines with light glooming
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2 years ago
The current in a resistor is 3.0 A, and its power is 60 W. What is the voltage?
kkurt [141]

Answer:

I font now but I think its 2.0 + 78 w -60

8 0
2 years ago
A wedge shaped air film is made between two sheets of glass using a spacer at one end of the glass sheets. If light of wavelengt
pychu [463]

Answer:

1178 nm

Explanation:

We are given that

Wavelength of light=\lambda=589nm=589\times 10^{-9} m

1nm=10^{-9} m

We have to find the thickness of spacer if five dark fringes are observed between the edges of the glass.

Suppose that first dark fringe and fifth dark fringe near spacer, then the path length of light is 4 times the wavelength of light.

The light passes through air film is two times  then the change in air film thickness  from one edge to other is two times the wavelength of light.

Change in air film thickness  from one edge to other edge  is same as the thickness of spacer.

Therefore, thickness of spacer=2\lambda

Thickness of spacer=2\times 589\times 10^{-9}m

Thickness of spacer=1178 nm

Hence, the thickness of spacer=1178 nm

8 0
2 years ago
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