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2 years ago

Can you do nothing!!!

Physics

2 answers:

wolverine [178]2 years ago

8 0

Answer:

The body can carry out no action for an instant of time by remaining perfectly still. A common method would be by anaesthesia, another is when it is laying very still and for an instant in time carries out no action whatsoever. Additionally, all dead bodies physically do nothing, but I would assume my opponent is referring to living beings only.

Explanation:

nadezda [96]2 years ago

3 0

Answer:

not really

Explanation:

you are always doing something

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ExtremeBDS [4]

Explanation:

In the given situation two forces are working. These are:

1) Electric force (acting in the downward direction) = qE

2) weight (acting in the downward direction) = mg

Therefore, work done by all the forces = change in kinetic energy

Hence, $qE \times S + mg \times S = 0.5 \times mv^{2}$

$1.6 \times 10^{-19} \times 1000 + 9.1 \times 10^{-31} \times 9.8 \times (\frac{0.10}{100}) = 0.5 \times 9.1 \times 10^{-31} \times v^{2}$

It is known that the weight of electron is far less compared to electric force. Therefore, we can neglect the weight and the above equation will be as follows.

$(1.6 \times 10^{-19} \times 1000) \times (\frac{0.10}{100}) = 0.5 \times 9.1 \times 10^{-31} \times v^{2
}$

v = $sqrt{\frac{1.6 \times 10^{-19}}{(0.5 \times 9.1 \times 10^{-31})}$

= 592999 m/s

Since, the electron is travelling downwards it means that it looses the potential energy.

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liubo4ka [24]

Answer:

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Answer:

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