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Lyrx [107]
3 years ago
7

Monday Unit test: Ms Nayr's Class:

Physics
2 answers:
Nostrana [21]3 years ago
6 0
1. is A 7
2. reticulated means divide or mark something in such a way as to resemble a net or network.
3. A dhole is an Asian dog that has a Sandy coat and black, bushy tail and lives in packs.
elena-14-01-66 [18.8K]3 years ago
5 0
1.) 7, humans have the same amount of neck bones. Think of it that way

2.) It has a pattern diamond like or web like.

3.) Indian wild dog
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A 49 kg person is being dragged in their sleeping bag to the lake by a 593 N
crimeas [40]

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

Unbalanced Force = Fx - f

But, from Newtons Second Law of Motion:

Unbalanced Force = ma

comparing the equations:

ma = Fx - f

f = F Cos θ - ma

where,

f = frictional force  = ?

F = Applied force  = 593 N

m = mass of person = 49 kg

a = acceleration = 0.57 m/s²

θ = Angle with horizontal = 30°

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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