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kompoz [17]
3 years ago
14

Which of the following devices is used in this experiment to separate the different wavelengths emitted by the light source?

Physics
1 answer:
adelina 88 [10]3 years ago
7 0

Answer:

A. Prism

Explanation:

In the experiment we are able to isolate different wavelengths by shining the light through a prism, which separates the different wavelengths through refraction.

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In a fireworks display, a rocket is launched from the ground with a speed of 18.0 m/s and a direction of 51.0° above the horizon
Masja [62]

Answer:38.66 m

Explanation:

Given

launch angle \theta =51^{\circ}

launch velocity u=18 m/s

center of mass continue to travel its original Path so it center of mass will be at a distance of

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

R=\frac{18^2\sin 102}{9.8}

R=32.33 m

Center of mass will be at x=32.33 m

(b)if one of the piece will be at x=26  m then other will be at

x_{com}=\frac{m_1x_1+m_2x_2}{m_1+m_2}

x_{com}=\frac{\frac{m}{2}\cdot 26+\frac{m}{2}\cdot x_0}{\frac{m}{2}+\frac{m}{2}}

32.33=\frac{26+x_0}{2}

x_0=38.66 m

8 0
3 years ago
This is physics class, plzzz help ! 86.72 m to cm
Vaselesa [24]

Answer:

8672

Explanation:

multiply the length value by 100

5 0
3 years ago
The dimension line is connected to the part being measured by _______________. A. Hidden lines B. Extension lines C. Visible lin
kondaur [170]
B: Extension Lines! You could have just searched this up on google
3 0
3 years ago
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How could a camping fire turn into a forest fire
PolarNik [594]

Answer:

Campfires top the list of ways that humans start wildfires, the U.S. Forest Service said. Typically, campfires either grow out of control and the people who built the fire do not have a way to stop it, or they fail to extinguish the fire properly, allowing the fire to re-ignite after they leave.

Explanation:

8 0
3 years ago
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1. If an object on a horizontal frictionless surface is attached to a spring, displaced, and then released. It will oscillate. I
AURORKA [14]

Answer: a) 0.12m; b) 1,6 s; c) 0.625 1/s

Explanation: The simple harmonic movement can be described by a sin or cosine function  in time.

This can be in the form:

X(t)= A Sin/Cos (wt+φ) where φ is initial phase o position at t=0

w the angular frequency are related to the frequency (f) as 2Pif

and f=1/T period of oscillating

3 0
3 years ago
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