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NARA [144]
3 years ago
14

A ball moves along a table at a constant velocity and then rolls off the edge of the table. The forces that should be included i

n a free body diagram for the ball as it falls to the ground are: gravity friction force from table normal force from table force of fall
Physics
1 answer:
Len [333]3 years ago
3 0

Answer:

Gravity

Explanation:

When the ball is falling to the ground, it is already detached from the table, so the table does not exert any force on it.

Gravity is always present, therefore it is acting on the ball (acting downward), so it must be included into the free-body diagram. Apart from that, there are no other forces acting on the ball (if we neglect air resistance, which is negligible, and it is not mentioned in the options given), therefore the only force which has to be included in the diagram is gravity.

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Where does internal radiation come from?
pantera1 [17]

☁️ Answer ☁️

Internal radiation exposure hazards result from radioactive material that gets inside the body when you breathe it

Hope it helps.

Have a nice day hyung/noona!~  ̄▽ ̄❤️

5 0
3 years ago
Which of the following is an example of an object with kinetic energy?
Kaylis [27]

Answer:

A and C

Explanation:

Both have mass and are in motion

6 0
3 years ago
Read 2 more answers
Um pls help<br><br>I really need help
Dima020 [189]

Answer:

1.8L

Explanation:

Boyle's law is a gas law, stating that the pressure and volume of a gas have an inverse relationship. If volume increases, then pressure decreases and vice versa, when the temperature is held constant.

So x is the volume at pressure 235

235x = 101(4.2)

x = 424.2/235 = 1.8

3 0
3 years ago
An electron and a proton are confined in the same space. For what particle would a measurement of the speed have a greater uncer
Lena [83]

<span>The electron is a subatomic particle, symbol e− or β−, with a negative elementary electric charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure. The electron has a mass that is approximately 1/1836 that of the proton. Quantum mechanical properties of the electron include an intrinsic angular momentum of a half-integer value in units of ħ, which means that it is a fermion. Being fermions, no two electrons can occupy the same quantum state, in accordance with the Pauli exclusion principle. Like all matter, electrons have properties of both particles and waves, and so can collide with other particles and can be diffracted like light. The wave properties of electrons are easier to observe with experiments than those of other particles like neutrons and protons because electrons have a lower mass and hence a higher De Broglie wavelength for typical energies. Hope this HELPS :D</span>
3 0
3 years ago
Answer all three parts and show work.
sleet_krkn [62]

The distance for both Parts A and B are given in the question.

A balloon drifts 140m toward the west in 45s.

The wind suddenly changes and the balloon flies 90m toward the east in the next 25s.

To find the total distance, we can just add.

140 + 90 = 230m

Best of Luck!

5 0
4 years ago
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