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Zarrin [17]
3 years ago
9

Which of these is always true about a real image?

Physics
1 answer:
hammer [34]3 years ago
6 0
B. The image is always enlarged
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What is Potentiometer ​
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an instrument for measuring an electromotive force by balancing it against the potential difference produced by passing a known current through a known variable resistance.

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3 years ago
A bullet fired vertically at a velocity of 36m/s .after 45 the bullet hit the top of a bulid how height is a bulid?​
zzz [600]

Answer:

The height of the building is 8,302.5 m

Explanation:

Given;

velocity of the projectile, u = 36 m/s

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The height of the building is calculated as;

h = ut - \frac{1}{2} gt^2\\\\h = (36\times 45) - (\frac{1}{2} \times 9.8 \times 45^2)\\\\h = 1620 - 9922.5\\\\h = -8,302.5 \ m\\\\The \ height \ of \ the \ building \ is \ 8,302.5  \ m

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