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kenny6666 [7]
3 years ago
11

A book is sitting in a table. Jackie is pushing the book with a force of 9 N. If the force of friction is 4 N to the left, what

is the net force

Physics
1 answer:
Bumek [7]3 years ago
4 0

Answer:

The net force is 5N

Explanation:

A shown in the diagram,

we let P be the force Jackie applied and

F_r

be the frictional force.

To get the net force, we subtract the frictional force from the applied force.

This implies that,

F_n= P-F_r

F_n= 9 - 4

F_n=5N

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Kobotan [32]

Explanation:

The given data is as follows.

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Now, we will calculate the magnitude of magnetic field as follows.

              B = \frac{F}{qv sin (\theta)}

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3 years ago
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mestny [16]

Answer:

f = 5 cm

Explanation:

using the thin lens equation, given as follows:

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do = the distance of object from lens = 20 cm

di = the distance of image from lens = 6.6667 cm

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\frac{1}{f} = \frac{1}{20\ cm}+\frac{1}{6.6667\ cm}\\\\\frac{1}{f} =  0.199999\ cm^{-1}\\\\f = \frac{1}{0.199999\ cm^{-1}}\\\\

<u>f = 5 cm</u>

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Answer:

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