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Fiesta28 [93]
3 years ago
14

A book weighing 12 n is placed on a table. how much support force does a table exert on the book?

Physics
1 answer:
Alenkasestr [34]3 years ago
7 0
It should be 12 N. the force of the book on the table should be the same as the force of the table on the book.
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A package of aluminum foil contains 50. ft2 of foil, which weighs approximately 6.0 oz. Aluminum has a density of 2.70 g/cm3. Wh
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Answer:

1.36 x 10^-3 cm

Explanation:

Area = 50 ft^2 = 46451.5 cm^2

mass = 6 oz = 170.097 g

density = 2.70 g/cm^3

Let t be the thickness of foil in cm.

mass = volume x density

mass = area x thickness x density

170.097 = 46451.5 x t x 2.70

t = 1.36 x 10^-3 cm

Thus, the thickness of aluminium foil is 1.36 x 10^-3 cm.

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it gets hot and more hot until it turns to gas

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The horizontal component of the velocity of the ball is calculated by multiplying the speed by the cosine of the given angle. 
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Thus, the horizontal velocity component of the ball is 25.39 m/s. 
8 0
3 years ago
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