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Klio2033 [76]
2 years ago
11

Which of these statements are true?

Physics
2 answers:
Juliette [100K]2 years ago
8 0
D.Neither High- nor low-pressure systems lead to rain
Thepotemich [5.8K]2 years ago
8 0

Answer:

d

Explanation:

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How much work is required to pull a sled 5 meters if you use 60N of force?
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Answer:

300Nm

Explanation:

work = force x distance = 60x5=300

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A ball is thrown at an angle of 40 degrees above the horizontal. The horizontal component of the baseball's initial velocity is
motikmotik
<span> Let,
initial velocity = v m/sec,

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v = 12 / cos(40) = 12/0.766 = 15.67 meters/sec >================< ANSWER </span> Source(s): Fazaldin A <span> · 4 years ago </span>
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2 years ago
A block is at rest on the incline shown in the figure. The coefficients of static and ki- netic friction are μs = 0.62 and μk =
GREYUIT [131]

The frictional force is 218.6 N

Explanation:

The block in the problem is at rest along the inclined surface: this means that the net force acting along the direction parallel to the incline must be zero.

There are two forces acting along this direction:

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mg sin \theta

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g=9.8 m/s^2 is the acceleration of gravity

\theta=29^{\circ} is the angle of the incline

- The (static) frictional force, acting upward, of magnitude F_f

Since the block is in equilibrium, we can write

mg sin \theta - F_f = 0

And substituting, we find the force of friction:

F_f = mg sin \theta = (46)(9.8)(sin 29^{\circ})=218.6 N

Learn more about frictional force along an inclined plane:

brainly.com/question/5884009

#LearnwithBrainly

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