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jok3333 [9.3K]
1 year ago
8

Matter is defined as anything that a. can be seen and touched. b. has mass and takes up space. can be weighed. d. contains kinet

ic or potential energy. Please select the best answer from the choices provided a. can be seen and touched by. has mass and takes up space c. can be weighed. or d.contains kinetic or potential energy. I will give branliy.​
Physics
1 answer:
Nookie1986 [14]1 year ago
6 0

Answer:

b. has mass and takes up space.

Explanation:

Matter, in physics and chemistry, is defined as any substance that has mass and takes up space by having volume. The rest of the following options do not match this definition.

hope this helps!

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What is an example of a non contact force
olchik [2.2K]

Answer: Gravitational force

Explanation:

A non contact force can be described as a force applied to an object by another body that is not in direct contact with it.

For example, an object thrown upwards will return back due to the force of gravity acting on it. So, it means Gravitational force is acting on the body without necessarily being in contact with that body.

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3 years ago
The wavelengths of light emitted by an excited atom are determined by the:
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Difference in energy between the exicted states and ground states
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75 kilometers per hour is an example of:<br> A. speed.<br> B. velocity<br> C. acceleration
kherson [118]
The answer is A. speed
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3 years ago
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5.00 kg of liquid water is heated to 100.0 °C in a closed system. At this temperature, the density of liquid water is 958 kg/m3.
user100 [1]

Answer:

1.04\times 10^7\ J.

Explanation:

In the question given :

Pressure is constant

Therefore, Work done, W=P\times\Delta V

Pressure, P=1.01 × 105 Pa.

Final volume, V_f=8.50\ m^3.

Initial volume, V_i=\dfrac{Mass}{density}=\dfrac{5}{958}=5.22\times10^-3\ m^3.

Therefore, W=8.58\times 10^{5}\ J.

Also, Heat Given, Q=m\times L=5\times 2.26\times 10^{6}\ J=1.13\times 10^7\ J.

Also, according to First law of thermodynamics:

\Delta U=Q-W=(1.13\times 10^7)-(8.58\times 10^5)=1.04\times 10^7\ J.

Hence, this is the required solution.

8 0
3 years ago
What is the work done if you push a tree with<br> 50 N of force but the tree does not move?
Soloha48 [4]

Answer:

The work done is 0.

Explanation:

The reason no work is done is because the equation W = Fs.

W = work

F= force

s= displacement

In this scenario F = 50 and s= 0

Therefore.

W = 50(0)

W = 0

4 0
3 years ago
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