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Yakvenalex [24]
3 years ago
10

In our simple system, what type of energy was used?

Physics
1 answer:
seropon [69]3 years ago
6 0

Type of energy was used is kinetic energy.

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A 6 kg box with initial speed 5 m/s slides across the floor and comes to a stop after 1.9 s. What is the coefficient of kinetic
Ilia_Sergeevich [38]

Answer:

\mu_k=0.27

Explanation:

According to the free body diagram, in this case, we have:

\sum F_x:-F_k=ma\\\sum F_y:N=mg

Recall that the force of friction is given by:

F_k=\mu_k N

Replacing and solving for the coefficient of kinetic friction:

-\mu_kN=ma\\-\mu_k(mg)=ma\\\mu_k=-\frac{a}{g}

We have an uniformly accelerated motion. Thus, the acceleration is defined as:

a=\frac{v_f-v_0}{t}\\a=\frac{0-5\frac{m}{s}}{1.9s}\\a=-2.63\frac{m}{s^2}

Finally, we calculate \mu_k:

\mu_k=-\frac{-2.63\frac{m}{s^2}}{9.8\frac{m}{s^2}}\\\mu_k=0.27

4 0
3 years ago
An organism is composed of several organ systems. Often, the different organ systems work together towards a common purpose. For
Gemiola [76]

Answer:

Skeletal system, muscular system

Explanation:

Skeletal system:

bones

Muscular system:

muscles

Together, they work together and create the musculoskeletal system.

4 0
3 years ago
Read 2 more answers
One of the reasons you love your home is because every side of your home faces South. One day, while talking on the phone, you h
ExtremeBDS [4]

The bear is white in color because it is a polar bear.

<h3>What are the color of bears?</h3>

Bears are very large carnivorous animals found around the cold regions of the Arctic or North Pole.

The color of bears, may be brown, black or white depending on how far North the bears are found.

Bears found close to the Arctic or North pole are white polar bears.

Based on the description of the house, every side of the home faces South meaning that the individual lives in the North pole.

Therefore, the color of the bear will be white.

in conclusion, polar bears are white in color.

Learn more about polar bears at: brainly.com/question/21618662

#SPJ1

8 0
2 years ago
Pouvez vous m'aider dans ce devoir sil vous plait.​
ahrayia [7]

in english please

i don't understand actually

8 0
3 years ago
If the worlds human population stay away from all the fast foods that they purchase and consume their overall physical and menta
Nadusha1986 [10]

Hi ChloeRenee12345,

Your Question:

If the worlds human population stay away from all the fast foods that they purchase and consume their overall physical and mental state would be greatly affected

Answer:

Well absolutely not! Everyone will not be affected by not purchasing fast food, It will actually be better for the society. Fast food has bad properties that makes people get fat.

5 0
3 years ago
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