CHEMISTRY MIDDLE SCHOOL

You overhear someone say that two objects with the same mass have the same gravitational potential energy Do you agree? Explain.

Answers

Answer 1
Answer:

The gravitational potential energy not only depends on the mass of the substance but also on the height it positioned. Hence, two objects with same mass does not have same potential energy if they are not in same height.

What is gravitational potential energy?

Gravitational potential energy of an object is the energy generated by virtue of  its position in gravitational field.  Gravitational force is exerted by one object by which it attracts other objects into its centre of mass.

The gravitational force is dependant upon the mass of the object as well to the distance between the objects. Similarly the potential energy p is proportional to the mass m, gravity g and the height from the surface h.

Hence p = mgh.

As per this relation potential energy is not only affected by the mass but also the height at which the objects are located.

If an object is placed at a height higher than other object having same mass then it stores greater potential energy. Hence, we can't agree with the statement .

To find more on potential energy refer here:

brainly.com/question/24284560

#SPJ2
Answer 2
Answer:

Answer:

the above screenshot has the answers

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When are tides highest? a. during the moon’s first quarter phase b. when the sun, Earth, and the moon are nearly in a line c. during the moon’s third quarter phase d. when the moon is at a right angle to the sun

Answers

Answer:

The correct answer is option b, that is, when the Sun, Earth, and the moon are nearly in a line.

Explanation:

The low and high tides are caused by the moon. The gravitational force of the moon produces something known as the tidal force. This force makes the Earth and its water to bulge out on the side nearest to the moon and the side far away from the moon. These bulges of water are considered as high tides.  

Similarly to the moon, the Sun also causes tides, but, they are smaller in comparison. However, when the Earth, moon, and the Sun line up, that is, which takes place during the new moon or the full moon, the solar and lunar tides reinforce each other, resulting in more extreme tides, known as spring tides. The spring tides are considered as the highest tides.  
The answer is B. when the sun,earth, and the moon are nearly in a line

What are cathode rays made of

Answers

Answer:

electrons

Explanation:

they are composed of negatively charged particles also known as electrons

What is the purpose of phosphates in fertilizerwhat is the purpose of phosphates in laundry detergent

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Fertilizers provide soil with nutrients, like phosphate, that are required to produce healthy gardens and abundant crops. The Fertilizer Institute reports that experts estimate one-third of the world's food supply would not be produced without the use of commercial fertilizers....i hope i help u....
Phosphates make the soil fertile, and enrich the soil with phosphorous.

Phosphates are used in laundry detergents. Phosphate reacts with dirt in clothes and removes them.

Which net force occurs when combined forces are balanced?
A. 0 N
B. 50 N
C. 100 N

Answers

Answer:

A. 0 N

Explanation:

One force is subtracted from the other to calculate the net force. If the opposing forces are equal, or balanced, the net force is zero.

Hope this helps!
A. 0 N :))))))))))))))))))

Water is composed of two hydrogen atoms and one oxygen atom therefore, water is a

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two hydrogen
compound !!

What's something that is the measure of energy of motion of particles of matter

Answers

The measure of energy of motion of particles of matter is called Kinetic Energy and is measured in Joules.
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