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Juliette [100K]
3 years ago
5

A balloon has a volume of 3.0 l at 25°c. what is the approximate volume of the balloon at 50°c?

Physics
1 answer:
mart [117]3 years ago
6 0
Sorry i dont know this one
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1. A soccer ball is kicked horizontally off a cliff with an initial speed of 8 m/s and lands 16 m from the base of
lana66690 [7]

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Height of cliff = S = 20 m (Approx)

Explanation:

Given:

Initial velocity = 8 m/s

Distance s = 16 m

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s = ut + 1/2a(t)²

16 = 8t

t = 2 sec

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3 0
3 years ago
A book that weighs 19 Newtons sits on a table. With what force
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Answer:

We know there's two forces acting on a book while it sits on a table:the force of gravity pulling it down, and the normal force of the table acting upward on the book. The book isn't accelerating while it sits there. That's because the weight of the book is being counteracted by the normal force of the table.

Explanation:

There are two forces acting upon the book. One force - the Earth's gravitational pull - exerts a downward force. The other force - the push of the table on the book (sometimes referred to as a normal force) - pushes upward on the book.

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A giraffe is slowly walking across a field. Is it balanced or unbalanced?
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Your answers are correct
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