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Mandarinka [93]
3 years ago
8

A 95 N net force is applied to an ice block with a mass of 24 kg. Find the acceleration of the block if it moves on a smooth hor

izontal surface.
Physics
1 answer:
natulia [17]3 years ago
6 0

Answer:

3.9m/s

Explanation:

divide 95 with 24 to get your acceleration

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How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 n
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Answer:

891 excess electrons must be present on each sphere

Explanation:

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Using Coulomb's law,

F=[1/4pieo]q1q2/r^2

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q^2 =F [4pieo]r^2

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q = 1.42614*10^ -16 C

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