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marysya [2.9K]
3 years ago
13

a pillow , a textbook and a paper airplane are dropped from the top of a tall building at the same time. consider what you have

learned about air resistance . which object reaches the ground first ?
Physics
2 answers:
vaieri [72.5K]3 years ago
6 0
The textbook because it’s really heavy
MAVERICK [17]3 years ago
3 0

A textbook would hit the ground first


Factors:

-Textbook weighs most

-Pillow is flat and fluffy not very aerodynamic) also is very light

-Paper airplane will glide to the ground do to its wings and will hit the ground last

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If a point has 40 J of energy and the electric potential is 8 V, the charge must be: A. 5 C

<u>Given the following the details;</u>

  • Energy = 40 Joules
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To find the quantity of charge;

Mathematically, the quantity of charge with respect to electric potential is given by the formula;

Quantity \; of \; charge = \frac{Energy}{Electric \; potential}

Substituting the values into the formula, we have;

Quantity \; of \; charge = \frac{40}{8}

<em>Quantity of charge = 5 Coulombs</em>

Therefore, the quantity of charge must be <em>5 Coulombs.</em>

Find more information: brainly.com/question/21808222

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