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Viktor [21]
3 years ago
9

Levers pivot on the A. fulcrum B. resistance arm C. effort arm D.moon

Physics
1 answer:
AVprozaik [17]3 years ago
6 0

Answer: it’s A

Explanation: hope this is right!!!!

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An object is in circular motion how will the object behave if the centripetal force is removed
Monica [59]

If the force is removed, then there are no other forces acting on the object, the object will continue to move at constant velocity, meaning that it would move in a line tangent to the circular path.

8 0
3 years ago
Which of the following substances is a compound?
Dima020 [189]

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D. hydrogen sulfide gas (H2S)

Explanation:

A compound is composed of two or more elements chemically bound together.

In this case, hydrogen is chemically bounded with sulfur to form a gaseous compound called hydrogen sulfide.

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3 years ago
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What is the main difference between macroscopic kinetic energy in a motion and microscopic kinetic energy of individual molecule
labwork [276]

Answer:

Explained

Explanation:

1.The macroscopic form of kinetic energy is organized whereas the microscopic kinetic energy disorganized form of energy.

2.Observing macroscopic kinetic energy is easier than the microscopic energy.

3. All macroscopic kinetic energy can be converted to useful work whereas microscopic kinetic energy can not be.

4. Macroscopic kinetic energy is possessed  by moving objects whereas microscopic objects possessed by the virtue of motion, rotation, vibrations of atoms in substance.

Wind energy is macroscopic energy as it can be harnessed to produce electricity and perform some useful work. And discussed above useful work can only be performed using macroscopic kinetic energy.

8 0
3 years ago
Ladybug walks 10 cm forward and 5 cm backwards in 20 seconds what is the average speed of ladybug what is the average velocity
lbvjy [14]

Answer:

Average speed = 0.0075 m/s

Average velocity = 0.0025 m/s along forward direction

Explanation:

Speed is the ratio of distance and time and velocity is the ratio of displacement and time.

Distance traveled = 10 + 5 = 15 cm = 0.15 m

Displacement = 10 - 5 = 5 cm = 0.05 m

Time = 20 seconds

\texttt{Average speed = }\frac{\texttt{Distance}}{\texttt{Time}}\\\\\texttt{Average speed = }\frac{0.15}{20}=7.5\times 10^{-3}m/s\\\\\texttt{Average velocity = }\frac{\texttt{Displacement}}{\texttt{Time}}\\\\\texttt{Average velocity = }\frac{0.05}{20}=2.5\times 10^{-3}m/s

Average speed = 0.0075 m/s

Average velocity = 0.0025 m/s along forward direction

3 0
4 years ago
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Define centre of mass​
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a point representing the mean position of the matter in a body or system.

Explanation:

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3 years ago
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