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Sergio [31]
3 years ago
5

What about a moving object rarely stays the same?

Physics
1 answer:
Masja [62]3 years ago
8 0
The speed as witch it is moving
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Another droplet of the same mass falls 8.4 cm from rest in 0.250 s, again moving through a vacuum. Find the charge carried by th
Andrej [43]

Answer:

The charge carried by the droplet is 1.330\times10^{-19}\ C

Explanation:

Given that,

Distance =8.4 cm

Time = 0.250 s

Suppose tiny droplets of oil acquire a small negative charge while dropping through a vacuum in an experiment. An electric field of magnitude 5.92\times10^4\ N/C points straight down and if the mass of the droplet is 2.93\times10^{-15} kg

We need to calculate the acceleration

Using equation of motion

s=ut+\dfrac{1}{2}at^2

Put the value into the formula

8.4\times10^{-2}=0+\dfrac{1}{2}\times a\times(0.250)^2

a=\dfrac{8.4\times10^{-2}\times2}{(0.250)^2}

a=2.688\ m/s^2

We need to calculate the charge carried by the droplet

Using formula of electric filed

E=\dfrac{F}{q}

q=\dfrac{ma}{E}

Put the value into the formula

q=\dfrac{2.93\times10^{-15}\times2.688}{5.92\times10^4}

q=1.330\times10^{-19}\ C

Hence, The charge carried by the droplet is 1.330\times10^{-19}\ C

8 0
3 years ago
If an astronaut goes on a space walk outside the Space Station, she will quickly float away from the station unless she has a te
Strike441 [17]

Answer:

d. This statement is false. She and the Space Station share the same orbit and will stay together unless they are pushed apart.

Explanation:

In astronomy, orbit is simply a path of an object around another object in a space. That is, orbit is a path of a body that revolves around a gravitating center of mass. Examples of an orbit is are satellite around a planet, orbit around a center of galaxy, planet around the sun, and among others.

On the other hand, space station refers to a spacecraft that can support a group of human for long time in the orbit. Another names for space stations are orbital space station and orbital station.

Therefore, an astronaut goes on a space walk outside the Space Station shares the same orbit with the space station and they will stay together unless they are pushed apart.

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3 years ago
State the Pascal's principle <br>​
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Answer:

Pascal's principle, also called Pascal's law, in fluid (gas or liquid) mechanics, statement that, in a fluid at rest in a closed container, a pressure change in one part is transmitted without loss to every portion of the fluid and to the walls of the container

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Which most likely is a causal relationship?
const2013 [10]
Answer: C. Experimenters show a link between adult-onset diabetes and obesity
On the statement above, there is clearly a causal relationship between the adult-onset diabetes and obesity according to researches and experiments. Causal relationship shows that there is one event is the cause while the other is the result. 


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3 years ago
The<br> is the particle in the nucleus with a positive charge.<br> Answer here
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Answer: A proton is a positively charged particle located in the nucleus of an atom.
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