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Anton [14]
3 years ago
9

What is tan θ for the given triangle?

Physics
2 answers:
yulyashka [42]3 years ago
7 0
Tan = opposite/adjacent
= 20/15
=4/3
Nuetrik [128]3 years ago
4 0

Answer:

it's C

Explanation: 4/3=1.33

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This is a riddle meant to have a humorous effect.
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Upwelling _____.
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4 years ago
Read 2 more answers
Calculate the change in internal energy of the following system: A balloon is cooled by removing 0.659 kJ of heat. It shrinks on
bixtya [17]
<h2>Answer:</h2>

-310J

<h2>Explanation:</h2>

The change in internal energy (ΔE) of a system is the sum of the heat (Q) and work (W) done on or by the system. i.e

ΔE = Q + W       ----------------------(i)

If heat is released by the system, Q is negative. Else it is positive.

If work is done on the system, W is positive. Else it is negative.

<em>In this case, the system is the balloon and;</em>

Q = -0.659kJ = -695J    [Q is negative because heat is removed from the system(balloon)]

W = +385J  [W is positive because work is done on the system (balloon)]

<em>Substitute these values into equation (i) as follows;</em>

ΔE = -695 + 385

ΔE = -310J

Therefore, the change in internal energy is -310J

<em>PS: The negative value indicates that the system(balloon) has lost energy to its surrounding, thereby making the process exothermic.</em>

<em />

<em />

5 0
3 years ago
A standing wave of the third overtone is induced in a stopped pipe, 3 m long. The speed of sound is 340 m/s. The number of antin
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Answer:

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500 Hz

Explanation: Hope this helps :)

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What are the different intensity of an earthquake
Masja [62]

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5.0 – 5.9 about 1,000 VI – VII

Explanation:

hope it helps

Mark as brainliest

and follow me for a follow back

5 0
3 years ago
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