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Butoxors [25]
4 years ago
8

NEED HELP QUICK!

Physics
2 answers:
Olenka [21]4 years ago
6 0
Hi there!
At angle B, the light is refracted at an angle in one direction as it enters the glass. As it exits the glass at angle C, It is refracted at another angle in the opposite direction.
Hope this helps, have a nice day :)
const2013 [10]4 years ago
4 0

the answer is f and a i took the quiz

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Is the visible light color spectrum a small segment of the electromagnetic spectrum?
VMariaS [17]

Answer:

Yes

Explanation:

The visible light color spectrum only makes up a small segment of the EM spectrum

7 0
3 years ago
For your senior project, you would like to build a cyclotron that will accelerate protons to 10% of the speed of light. The larg
jeyben [28]

Answer:

<h2>Magnetic field strength in that region is 1.2 T</h2>

Explanation:

As we know by the formula of radius of charge moving in external field is given as

R = \frac{mv}{qB}

so we will have

R = 25 cm

m = 1.6 \times 10^{-27} kg

q = 1.6 \times 10^{-19} C

v = 0.10 \times 3 \times 10^8 m/s

now we have

0.25 = \frac{(1.6 \times 10^{-27})(3\times 10^7)}{(1.6 \times 10^{-19})B}

now we have

B = 1.2 T

8 0
3 years ago
Question 36 pls<br> Physics
Lera25 [3.4K]

R=\frac{U}{I}=\frac{0.5V}{180\cdot10^{-6}A}\approx2.78k\Omega

7 0
3 years ago
2 When a cube of hot metal is placed in a beaker of cold water, the temperature of the water -
jek_recluse [69]
The answer to this is B
4 0
3 years ago
A particular engine has a power output of 8 kW and an efficiency of 37%. If the engine expels 10994 J of thermal energy in each
VARVARA [1.3K]

Answer:

(a) 17450.8 J (B) 1.239 sec

Explanation:

We have given power output =8 KW

Heat expelled = 10994 j

Efficiency =37% = 0.37

(A) We know that efficiency \eta =1-\frac{heat\ expelled}{heat\ input}

0.37=1-\frac{10994}{heat\ input}

Heat input =17450.8 J

(B) Work done by the engine is = 17450.8-10994=6456.8 j

Power output is given by 8 KW =8000 W

So time for each cycle is \frac{8000}{6456.8}=1.239 sec

3 0
3 years ago
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