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2 years ago

In the figure , if Q = 30 uC , q = 5.0 uC , and d = 30 cm , what is the magnitude of the electrostatic force on g?

Physics

1 answer:

lana [24]2 years ago

3 0

Answer:

$F = k\frac{q_1q_1}{ {d}^{2} } \\ = 9.0 \times {10}^{9} (N {m}^{2} {C}^{ - 2}) \frac{30 \times {10}^{ - 6} (C)5.0 \times {10}^{ - 6} (C)}{ {0.3}^{2} } N$

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Answer:

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3 years ago

An electron in a mercury atom changes from energy level b to a higher energy level when the

emmainna [20.7K]

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3 years ago

An object of mass 2.0 kg is attached to the top of a vertical spring that is anchored to the floor. The unstressed length of the

poizon [28]

Answer:

The value is $A = 0.014 \ m$

Explanation:

From the question we are told that

The mass of the object is $m = 2.0 \ kg$

The unstressed length of the string is $l = 0.08 \ m$

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The initial speed (maximum speed)of the spring when given a downward blow $v = 0.30 \ m/s$

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and $w$ is the angular frequency which is mathematically represented as

$w = \sqrt{\frac{k}{m} }$

$u = A * \sqrt{\frac{k}{m} }$

=> $A = u * \sqrt{\frac{m}{k} }$

Gnerally the length of the compression(Here an assumption that the spring was compressed to the ground by the hammer is made) by the hammer is mathematically represented as

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Generally at equilibrium position the net force acting on the spring is

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=> $k * 0.021 - 2 * 9.8 = 0$

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3 years ago

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D.
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3 years ago

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3 years ago