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3 years ago

Solving quadratic equations by extracting square roots in p²-16=-16

Physics

1 answer:

noname [10]3 years ago

8 0

Answer:

p=0

Explanation:

p^2 -16 = -16

p^2 = -16 +16

p = √0

p = 0

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Answer:

v = 31.84 cm/s or 0.318 m/s

the speed of the water leaving the end of the hose is 31.84 cm/s or 0.318 m/s

Explanation:

Given;

Diameter of hose d = 2.76 cm

Volume filled V = 20.0 L = 20,000 cm^3

Time t = 1.45 min = 105 seconds

The volumetric flow rate of water is;

F = V/t = 20,000cm^3 ÷ 105 seconds

F = 190.48 cm^3/s

The volumetric flow rate is equal the cross sectional area of pipe multiply by the speed of flow.

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Substituting the given values;

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the speed of the water leaving the end of the hose is 31.84 cm/s or 0.318 m/s

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3 years ago

A box is against a wall. A person pushes on the box, but the box does not move. Is this situation an example of a force

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Answer:

Explanation:

From the question we are told that

The length of the wire is $L = 75.0cm = \frac{75}{100} = 0.75 \ m$

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$v = \sqrt{\frac{400 *0.75}{0.00225}}$

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substituting values

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substituting values

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$v_o = [\frac{f_b}{2f} ] * v$

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$v_o = [\frac{8.30}{2* 730.3} ] * 365.15$

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3 years ago

Solving quadratic equations by extracting square roots in p²-16=-16​

Solving quadratic equations by extracting square roots in p²-16=-16