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SOVA2 [1]
4 years ago
13

Please help. I'll mark you brainliest. ((:

Physics
1 answer:
alexgriva [62]4 years ago
5 0
I believe that if you shine a light in the front of a binocular, then the light would condense and be more pin-pointed while if you point it through the part where your eyes go the light would blow up. Either way, the light will be refracted once it travels through the lenses. 
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A wave has a period of 2 seconds and a wavelength of 4 meters. Calculate its frequency and speed. Note: Recall that the frequenc
Angelina_Jolie [31]

Answer:

frequency = 0.5 Hz and speed = 2 m/s

Explanation:

Given that,

The period of a wave, T = 2 s

Wavelength, \lambda=4\ m

If f be the frequency. So,

f = 1/T

f=\dfrac{1}{2}\\\\f=0.5\ Hz

Speed of a wave is given by :

v=f\lambda\\\\v=0.5\times 4\\\\v=2\ m/s

So, the frequency of the wave is 0.5 Hz and speed is 2 m/s.

4 0
4 years ago
IF EARTH HAD NO ATMOSPHERE, WOULD A FALLING OBJECT EVER REACH TERMIONAL VELOCITY?
EleoNora [17]
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If there were no atmosphere, there would be no upward force due to
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way down until it went 'splat'.

This is exactly the situation for meteoroids or asteroids falling onto the Moon.
3 0
4 years ago
Tsunami waves are usually created by earthquakes that occur along ? _____ _____
sdas [7]

Answer:

The correct answer is the sea

7 0
3 years ago
In the process of melting, what best describes what happens to a solid?
Eduardwww [97]
<span>a. A solid will gain kinetic energy and become a liquid.</span>
5 0
3 years ago
Read 2 more answers
Jean- Baptiste Say argued that entrepreneurs should be called the fourth factor of production because they
Luda [366]
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4 years ago
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