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Nastasia [14]
3 years ago
14

4. An aluminium bar weighs 17 kg in air. How much force is required

Physics
1 answer:
kkurt [141]3 years ago
4 0

Explanation:

1ml = 2.7g

Xml = 1.5g

Divide 1.5 by 2.7 to find X.

Obviously, since 1.5 is less than 2.7, you know the answer will be less than 1.

(it’s .5555555555)

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Answer:

The magnitude of electric field is 1.25\times10^{14}\ N/C in downward.

Explanation:

Given that,

Force F= 4.00\times10^{-5}\ N

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We know that,

Charge is negative, then the electric field in the opposite direction of the exerted force.

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Using formula of electric force

F = qE

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E=\dfrac{4.00\times10^{-5}}{-2.00\times1.6\times10^{-19}}

E=-1.25\times10^{14}\ N/C

Negative sign shows the opposite direction of electric force.

Hence, The magnitude of electric field is 1.25\times10^{14}\ N/C in downward.

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