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Lostsunrise [7]

3 years ago

5

A water filled ballon with an overall mass of 1 kg undergoes an acceleration of 2m/s squared. How much force is being applied to

the balloon

1 answer:

Fudgin [204]3 years ago

3 0

Force=mass x acceleration. F=1kg x 2m/s^2.

F=2 Newtons

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-Dominant- [34]

Explanation:

We need to find the speed of a 3.1eV proton and a 3.1eV electron.

For proton, using conservation of energy such that,

$\dfrac{1}{2}m_pv_p^2=eV\\\\v_p^2=\dfrac{2eV}{m_p}\\\\v_p=\sqrt{\dfrac{2eV}{m_p}}$

$m_p$ is mass of proton

$v_p=\sqrt{\dfrac{2\times 3.1\times 1.6\times 10^{-19}\ J}{1.67\times 10^{-27}\ kg}}\\\\v_p=2.43\times 10^5\ m/s$

For electron,

$\dfrac{1}{2}m_ev_e^2=eV\\\\v_e^2=\dfrac{2eV}{m_e}\\\\v_e=\sqrt{\dfrac{2eV}{m_e}}$

$m_e$ is mass of proton

$v_e=\sqrt{\dfrac{2\times 3.1\times 1.6\times 10^{-19}\ J}{9.1\times 10^{-31}\ kg}}\\\\v_e=1.44\times 10^6\ m/s$

Hence, this is the required solution.

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3 years ago

Unlike an observational study, an experiment can prove:

Zinaida [17]

A. Cause and effect.

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An experiment can prove cause and effect in a study unlike observational studies.

Observational studies is a non-experimental system of investigation.
It helps to identify the causes(independent variable) and the effect(dependent variables).
In observational studies, the variables cannot be controlled and so it is difficult to prove the cause and effect.
An experiment can prove cause and effect because the parameters are tested and can be controlled.

Learn more:

Experiment brainly.com/question/5096428

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Two objects have the same velocity. These two objects have different masses. Which object will

kogti [31]

Answer:

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M = <em>mv</em>

<em />

Since both objects have the same velocity <em>v, </em>it is clear that the object with the bigger mass will have the greater momentum

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A supernova is a large explosion that takes place at the end of a star's life cycle. Although supernovas only burn for a short a

Aleonysh [2.5K]

I’m pretty sure it’s c

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