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Lerok [7]
3 years ago
15

Two tractors pull against a 1000 kg log. If the angle of the tractors' chains in relation to each other is 18.0° (each 9.0° from

being parallel with the log) , and each tractor pulls with a force of 800 N, what forces will they be able to exert?
A. 250 N
B. 1520 N
C. 1580 N
D. 1600 N

I'm 80% sure it's C but I don't know how to go about calculating the answer. Any help is appreciated.
Physics
1 answer:
Morgarella [4.7K]3 years ago
7 0
Pie ?????????????? π pizza ??? wut
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Andrei [34K]

Answer:

a) V = 195.70 m/s

b) f=3.02 × 10⁻⁴ Hz

c) T = 3311.25 seconds

Explanation:

Given:

Wavelength, λ = 646 Km = 646000 m

Distance traveled = 3410 Km = 3410000 m

Time = 4.84 h = 4.84 × 3600 s = 17424 seconds

a) The speed (V) of the wave is given as

V = distance / time

V = 3410000 m/ 17424 seconds

or

V = 195.70 m/s

b) The frequency (f) of the wave is given as:

f = V / λ

f= 195.70 / 646000

f=3.02 × 10⁻⁴ Hz

c) The time period (T)  is given as:

T = 1/ f

T = 1/ (3.02 × 10⁻⁴) Hz

T = 3311.25 seconds

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3 years ago
1.
Brilliant_brown [7]

Answer:

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2) liquid-solid is the most common type of solution.

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A man pulls a 10 kg box at constant speed across the floor with a rope. The tension in the rope is 120 N at an angle of 30°.
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Answer:

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Answer:

See attached file

Explanation:

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Answer:

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According to weather reports, and the Empire State Building website, lightning strikes the empire state building about 23 times a year on the average.

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