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Natali [406]
2 years ago
15

Branden is an excellent student, but he is never satisfied with his grades, even though they are consistently high. Given these

personality traits, which best describes Branden? Branden is so unhappy with himself and his grades that he has given up trying. Branden believes himself to be a victim of his circumstances. Branden believes that he is not okay unless he is perfect. Branden is constantly worried that something bad is about to happen.
Physics
2 answers:
Blizzard [7]2 years ago
5 0

Answer:

C - Branden believes that he is not okay unless he is perfect.

Explanation:

sorry im late but good luck <3

Vsevolod [243]2 years ago
3 0

Answer:

c

Explanation:

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A 16.7 kg block is dragged over a rough, horizontal surface by a constant force of 132 N acting
Alisiya [41]

The magnitude of the work done by the force of friction is 1045.68 joules

Explanation:

Work done = force × distance

  • Work done by friction force (W) = friction force (F) × distance (d)
  • Friction force (F) = coefficient of  kinetic friction (μ) × normal reaction force (R)

A 16.7 kg block is dragged over a rough, horizontal surface by a constant force of 132 N acting  at an angle of 25.8. above the horizontal. The block is displaced 57,8 m, and the coefficient of  kinetic friction is 0.229

To find the normal reaction force of the block distribute The constant force into two component, horizontal component of 132 cos(25.8°) and vertical component 132 sin(25.8°), Then equate ∑vertical forces by 0 to find R

The weight of the block = mg, where m is its mass and g is 9.8 m/s²

→ ∑Vertical forces = R + 132 sin(25.8°) - mg

→ ∑Vertical forces = R + 132 sin(25.8°) - (16.7)(9.8)

→ ∑Vertical forces = R - 106.2

Equate it by 0

→ R - 106.2 = 0 ⇒ add 106.2 to both sides

→ R = 106.2 N

Now let us find the friction force

→ F = μ R

→ μ = 0.229

→ F = 0.229 (106.2) = 24.3198 N

Let us calculate the work don by the force of friction

→ W = F × d

→ d = 57.8 meters

→ W = 24.3198 × 57.8 = 1045.68 joules

The magnitude of the work done by the force of friction is 1045.68 joules

Learn more:

You can learn more about force of friction in brainly.com/question/6217246

LearnwithBrainly

6 0
3 years ago
What is the momentum of a 0.5 kg ball which is thrown at 20 m/s?
tatuchka [14]
A =-16.7 Ns B= -167.N
7 0
3 years ago
How does the sun's heat affect the humidity of a place​
Sunny_sXe [5.5K]

Answer:

the sun's heat affects humidity of how warm the air feels to us.

i tried

5 0
3 years ago
Which force is represented by the arrow at
shutvik [7]

A is pulling the block straight down toward the center of the Earth, no matter what the slope of the plane may be. A is the force of gravity.

The directions of B and C both depend on the slope of the plane.

B is a force that's parallel to the plane, pulling the block UP the plane. B is the force of friction.

C is a force perpendicular to the plane, preventing the block from falling down through the plane. C is the normal force.

7 0
2 years ago
Read 2 more answers
Only the sun and other stars in space generate these kinds of waves:
Reika [66]

Answer:

<h2>Ultraviolet Waves.</h2>

Explanation:

The Sun emits waves called "Solar Waves", which have a wavelengths between 160 and 400 nanometers. According to the electromagnetic spectrum, these waves are defined as Ultraviolet, which have a frequency around the order of 10^{16}, which is really intense and high energy.

Therefore, the answer is Ultraviolet Waves.

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3 years ago
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