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Kipish [7]
2 years ago
7

Barry slides across an icy pond. The coefficient of kinetic friction between his

Physics
1 answer:
Soloha48 [4]2 years ago
4 0

The force of friction acting on him is 122 N. The correct answer is option C

<h3>What is Friction ?</h3>

Friction is a force that opposes the motion of a static or a moving object.

Given that Barry slides across an icy pond. The coefficient of kinetic friction between his shoes and the ice is 0.15. If his mass is 83 kg

The given parameters are;

  • Mass m = 83 kg
  • Coefficient of kinetic friction μ = 0.15
  • Frictional force F_{r} = ?

The normal reaction N on the body = mg

N = 83 x 9.8

N = 813.4 N

The Frictional force formula is  F_{r} = μN

F_{r} = 0.15 x 813.4

F_{r} = 122.01 N

Therefore, the force of friction acting on him is 122 N approximately.

Learn more about Friction here: brainly.com/question/24338873

#SPJ1

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While flying at an altitude of 5.75 km, you look out the window at various objects on the ground. If your ability to distinguish
Bingel [31]

Answer:

the smallest separation between two objects is 0.8067 m

Explanation:

Given the data in the question;

Altitude h = 5.75 km = 5750 m

Diameter D = 4.0 mm = 0.004 m

λ = 460 nm = 4.6 × 10⁻⁷ m

Now, Using Rayleigh criterion for Airy disks resolution.

we know that, Minimum angular separation for resolving two points is;

θ = 1.22λ / D

so we substitute

θ = (1.22 × 4.6 × 10⁻⁷)  / 0.004

θ = 5.612 × 10⁻⁷ / 0.004

θ = 1.403 × 10⁻⁴ rad  

so minimum separation d_{min =  θh

so we substitute

d_{min = (1.403 × 10⁻⁴) × 5750 m

d_{min = 0.8067 m

Therefore, the smallest separation between two objects is 0.8067 m

6 0
3 years ago
Question 25 (Mandatory) (1 point)
snow_lady [41]

It's very important for an individual to possess the ability to disagree respectfully with another person because strengthens one's relationships.

<h3>What is a conflict?</h3>

A conflict is any form of disagreement, misunderstanding, or struggle that arises between two (2) or more parties, especially due to any of the following reasons;

  • Differing opinions
  • Incompatibilities
  • A difficult challenge
  • Superiority

However, it's very important for an individual to possess the ability to disagree respectfully with another person because of the following:

  • Working through conflicts peacefully.
  • It strengthens one's relationships and understanding of others.
  • It mitigates the chances of physical confrontations and assaults.

Read more on conflict here: brainly.com/question/24769299

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4 0
2 years ago
How does the sun impact land at different latitudes?
Masja [62]
The radiation of the solar rays of the sun can damage and heat up land closer but at the same time cool because of the atmosphere
5 0
3 years ago
What type of relationship exists between momentum and mass?
alina1380 [7]

Answer:

A. Direct

Explanation:

Thats just how it be

4 0
3 years ago
4.A 200 kg cannon fires a 5 kg chicken into the air at a velocity of 100
exis [7]

Answer:

-2.5

Explanation:

5kg in grams = 5000

200kg in grams = 200,000

V2 = - (M1/M2) V1

Vc = - (Mh/Mc) Vh

Vc = - (5000/200000) 100

Vc = -2.5 units/second

4 0
2 years ago
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