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grin007 [14]
1 year ago
13

A 200 N object is resting on a surface with a coefficient of static friction equal to 0.15. A person pushes horizontally with a

force of 20 N. Calculate the magnitude of the force of friction.
Physics
1 answer:
Reika [66]1 year ago
3 0

Answer:

20 N

Explanation:

the force of static friction maximum = Fn * .15 = 200 * .15 = 30 N

  the force of friction will cancel out the 20 N force applied

    Ff = 20 N

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Answer:

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The Huka Falls on the Waikato River is one of New Zealand's most visited natural tourist attractions. On average, the river has
OverLord2011 [107]

Answer:

(a) V = 0.75 m/s

(b) V = 0.125 m/s

Explanation:

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w = width of river

d = depth of river

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(a)

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Q = (300,000 L/s)(0.001 m³/1 L) = 300 m³/s

w = 20 m

d = 20 m

Therefore,

V = (300 m³/s)/(20 m)(20 m)

<u>V = 0.75 m/s</u>

<u></u>

(b)

Here,

Q = (300,000 L/s)(0.001 m³/1 L) = 300 m³/s

w = 60 m

d = 40 m

Therefore,

V = (300 m³/s)/(60 m)(40 m)

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