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Elena L [17]
4 years ago
13

Select examples of simple harmonic motion that can be observed in everyday life.

Physics
1 answer:
liberstina [14]4 years ago
5 0
A. a child gently swinging on a swing at small angles all the time
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The net work done on a system moving to a stop, in magnitude, is equal:
Xelga [282]
I think answer should be d. Please give me brainlest I hope this helps let me know if it’s correct or not okay thanks I appreciate it
8 0
3 years ago
A wire of resistance R is cut into ten equal parts which are then connected in parallel. The equivalent resistance of the combin
Greeley [361]

Answer:

<em>The equivalent resistance of the combination is R/100</em>

Explanation:

<u>Electric Resistance</u>

The electric resistance of a wire is directly proportional to its length. If a wire of resistance R is cut into 10 equal parts, then each part has a resistance of R/10.

Parallel connection of resistances: If R1, R2, R3,...., Rn are connected in parallel, the equivalent resistance is calculated as follows:

\displaystyle \frac{1}{R_e}=\frac{1}{R_1}+\frac{1}{R_2}+\frac{1}{R_3}+...+\frac{1}{R_n}

If we have 10 wires of resistance R/10 each and connect them in parallel, the equivalent resistance is:

\displaystyle \frac{1}{R_e}=\frac{1}{R/10}+\frac{1}{R/10}+\frac{1}{R/10}...+\frac{1}{R/10}

This sum is repeated 10 times. Operating each term:

\displaystyle \frac{1}{R_e}=\frac{10}{R}+\frac{10}{R}+\frac{10}{R}+...+\frac{10}{R}

All the terms have the same denominator, thus:

\displaystyle \frac{1}{R_e}=10\frac{10}{R}=\frac{100}{R}

Taking the reciprocals:

R_e=R/100

The equivalent resistance of the combination is R/100

6 0
3 years ago
A wave raises a buoy twice every second and the crests of the incoming waves are 4m apart
Elis [28]

Answer:

1) T = 0.5 s

2) f = 2 Hz

Explanation:

7 0
3 years ago
Based on the second law of thermodynamics, how would you expect a system to change over time?
Romashka-Z-Leto [24]

Endless movement between hot and cold will eventually mean the end of the universe. This law is about inefficiency, degeneration and decay. <u>The second law can be expressed in several ways, the simplest being that heat will naturally flow from a hotter to a colder body. At its heart is a property of thermodynamic systems called entropy.</u> Entropy basically means an increase in randomness. Hope this helps mate.

5 0
3 years ago
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Which vitamin, abundant in fruits and vegetables, is linked to increased immunity and the destruction of toxic substances within
Andrew [12]

Answer: Option (b) is the correct answer.

Explanation:

Vitamin C is also called ascorbic acid and it is abundant in fruits and vegetables.

For example, oranges, tomatoes, lemon, etc are rich in vitamin C.

It also helps in increasing immunity and destroys the toxic substances present within our body.

Thus, we can conclude that Vitamin C is abundant in fruits and vegetables, is linked to increased immunity and the destruction of toxic substances within the body.

6 0
4 years ago
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