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Viktor [21]
3 years ago
8

What is a galvanic cell??

Physics
1 answer:
Kobotan [32]3 years ago
8 0
Its an electrochemical cell that derives electrical energy from spontaneous redox reactions taking place within the cell.
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Before there was central heating, hot water bottles were used to keep people warm at night. These flat containers were filled wi
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When a simple magnifying glass is used properly, the image will be formed
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Magnifying glasses typically use a value of 0.25 meters, or 250 millimeters, distance. This means that that D is the correct answer and the image will be formed approximately D. 250 millimeters in front of the lens

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A student pushes a book with a force of 5 N to the east.which statement
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Answer:

5N westward, acting on the student

Explanation:

8 0
3 years ago
A football is thrown horizontally with an initial velocity of (16.6 m/s)x^. ignoring air resistance, the average acceleration of
Andrei [34K]

Solution:

According to the equations for 1-D kinematics. The only change to them is that instead one equation that describes general motion.

So we will have to use the equations twice: once for motion in the x direction and another time for the y direction.  

v_f=v_o + at ……..(a)

 [where v_f and v_o are final velocity and initial velocity, respectively]

Now ,

Initially, there was y velocity, however gravity began to act on the football, causing it to accelerate.  

Applying this value in equation (a)  

v_yf = at = -9.81 m/s^s * 1.75 = -17.165 m/s in the y direction  

For calculating the magnitude of the equation we have to square root the given value

         (16.6i - 17.165y)  

\\ \left | V  \right |=sqrt{16.6^{2}+17.165^{2}}\\ = \sqrt{275.56+294.637225}\\= \sqrt{570.197225}\\= 23.87[/tex]

5 0
3 years ago
Read 2 more answers
Net force = ?
Snezhnost [94]

Answer:

A. the total net force is 14

B. the total net force is 15

Explanation:

7 0
3 years ago
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