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mars1129 [50]
3 years ago
12

How many muscles do we have?

Physics
1 answer:
Umnica [9.8K]3 years ago
8 0

Answer:

more than 600 muscles

Explanation:

there are more than 600 muscles in a human body

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Does light travel faster or slower when it has to pass through air or water
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Answer:

Light travels fast in air but i dont know about water

4 0
3 years ago
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Draw a circuit that uses the resistors listed below as well as a 12V battery source. For your circuit, determine (a) the total r
Zepler [3.9K]

Answer: hello your questions lacks the required resistor values therefore i will provide a general answer using an example

answer : a) 14 ohms  b) 0.86 amps   c) 10.32 V

Explanation:

Assuming the resistors are : 3 ohms , 4 ohms and 5 ohms

Voltage source = 12V

<u>Assuming that the Resistors are in series </u>

<u>a) Determine Total resistance </u>

Req = R1 + R2 + R3

       = 3 + 4 + 5 = 14 ohms

<u>b) Total current </u>

Ieq = V / Req

      = 12 / 14 =  0.86 amps

<u>c) The Total Voltage over the entire system </u>

Vt = ∑ Voltage drops

    = ( 0.86 * 3 ) + ( 0.86 * 4 ) + ( 0.86 * 5 )

    = 10.32 V

5 0
3 years ago
1. The weight of body in air is 20N displaced 5N when emerged into water. The mass of body in water is ??​
marishachu [46]

Answer:

5 N

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In this case, The weight of an object in air is 20N and it weighs x N when fully immersed in water. So, the weight of the water displaced is given as;

20 − x = 5

Therefore, the weight of the body in water is 5 N.

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