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3 years ago

7

((HELP!!!))

2 answers:

STatiana [176]3 years ago

7 0

The correct answer would be A. The forces are equal.

RideAnS [48]3 years ago

3 0

Hey there,

Your question states: <span>How is the weight of water displaced by a floating cork related to the buoyant force on the cork?

That key word here is (float). If the cork is floating, this would include that they both would have the equal balance of force. If they did not, it would most likely sink to the bottom.

Your correct answer is </span><span>The forces are equal.</span>

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A constant force pushes a 5 kg brick at 10 N. If the mass was tripled, what would happen to the acceleration if the same force i

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Explanation:

The original acceleration is:

∑F = ma

10 N = (5 kg) a

a = 2 m/s²

If the mass is tripled, the new acceleration is:

∑F = ma

10 N = (15 kg) a

a = 0.67 m/s²

The acceleration is reduced by a factor of 3.

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3 years ago

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Answer:

by obtaining the total mass of the dimes present:

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A mass m = 0.6 kg is released from rest at the top edge of a hemispherical bowl with radius = 1.1 meters. The mass then slides w

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Answer:

The angle is $\theta = 36.24 ^o$

Explanation:

From the question we are told that

The mass is $m = 0.6 \ kg$

The radius is $r = 1.1 \ m$

The speed is $v = 3.57 \ m /s$

According to the law of energy conservation

The potential energy of the mass at the top is equal to the kinetic energy at the bottom i.e

$m * g * h = \frac{1}{2} * m * v^2$

=> $h = \frac{1}{2 g } * v^2$

Here h is the vertical distance traveled by the mass which is also mathematically represented as

$h = r * sin (\theta )$

So

$\theta = sin ^{-1} [ \frac{1}{2* g* r } * v^2]$

substituting values

$\theta = sin ^{-1} [ \frac{1}{2* 9.8* 1.1 } * (3.57)^2]$

$\theta = 36.24 ^o$

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4 years ago