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2 years ago

What is the main function of the nuclus

Physics

2 answers:

ivanzaharov [21]2 years ago

8 0

The nucleus is the genetic store of the cell's information. It also controls the functions of the cell

Arisa [49]2 years ago

8 0

Nucleus is known as "the control center of the cell"
It does what it sounds like, main function of a nucleus is to maintain the integrity of the genes and to control the activities of the cell, making sure to regulate the gene expression.

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How can the potential energy in magnets be used to create kinetic energy in an object without making contact?

NemiM [27]

Answer: If you move a magnet quickly through a coil of copper wire, the electrons will move - this produces electricity.

Explanation:

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3 years ago

Date: 12-3-21 4. The momentum of a 5-kilogram object moving at 6 meters per second is

ASHA 777 [7]

Answer

30 kg . m/sec

Explanation:

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2 years ago

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2 years ago

a bus takes to reach from station A to station B and then 3 hour to return from station B to station A find the average velocity

Anton [14]

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2 years ago

Change in Energy Quick Check

nika2105 [10]

Answer:

The force of gravity on the object decreases. (FALSE)

The potential energy of the object decreases. (TRUE)

The acceleration due to gravity decreases. (FALSE)

The kinetic energy of the object decrease (FALSE)

Explanation:

FORCE OF GRAVITY:

Force of gravity on the object is the weight of object, which depends upon the mass and value of acceleration due to gravity (W = mg). Since, the value mass is constant on Earth and acceleration due to gravity is also constant on earth.

Therefore, force of gravity remains same on the object. The statement is false.

POTENTIAL ENERGY:

Potential energy of object depends upon the mass, value of acceleration due to gravity, and change in height of object (P.E = mgΔh). Since, the value mass is constant on Earth and acceleration due to gravity increases as the object moves towards the surface of earth. But, the height of object is decreasing.

Therefore, potential energy of object decreases. The statement is true.

ACCELERATION DUE TO GRAVITY:

Acceleration due to gravity depends upon the altitude (gh = g[1 - 2h/Re]). Since, the height of object is decreasing.

Therefore, acceleration due to gravity increases. The statement is false.

But, this change is not significant.

KINETIC ENERGY:

Kinetic Energy of object, which depends upon the mass and velocity of the object (K.E = mv²/2). Since, the value mass is constant on Earth and velocity increases as the object moves towards the surface of earth.

Therefore, kinetic energy of the object also increases. The statement is false.

4 0

3 years ago