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bagirrra123 [75]
3 years ago
5

What is the line that joins northen and southren hemisphere of the earth is called a

Physics
1 answer:
svp [43]3 years ago
5 0

The line is called equator.

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A 49 kg person is being dragged in their sleeping bag to the lake by a 593 N
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Answer:

f = 485.62 N

Explanation:

Since, the bag is moving with some acceleration. Hence, the unbalanced force will be given as:

Unbalanced Force = Horizontal Component Applied Force - Frictional Force

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But, from Newtons Second Law of Motion:

Unbalanced Force = ma

comparing the equations:

ma = Fx - f

f = F Cos θ - ma

where,

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Therefore,

f = (593 N)(Cos 30°) - (49 kg)(0.57 m/s²)

f = 513.55 N - 27.93 N

<u>f = 485.62 N</u>

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