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lianna [129]
3 years ago
8

Cubes are three-dimensional square shapes that have equal sides. What is the density of a cube that has a mass of 12.6 g and a m

easured side length of 4.1 cm? (Density: D = m/v )
Physics
1 answer:
sweet-ann [11.9K]3 years ago
6 0
 I got 3.07cm³. Its just 12.6 divided by 4.1
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Water from a fire hose is directed horizontally against at a rate of 50.0 kg/s and a speed of 42.0 m/s.
ss7ja [257]

Answer:

Force, |F| = 2100 N

Explanation:

It is given that,

Water from a fire hose is directed horizontally against at a rate of 50.0 kg/s, \dfrac{m}{t}=50\ kg/s

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The momentum is reduced to zero, final speed, v = 0

The relation between the force and the momentum is given by :

F=\dfrac{p}{t}

F=\dfrac{mv}{t}

F=50\ kg/s\times 42\ m/s

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So, the magnitude of the force exerted on the wall is 2100 N. Hence, this is the required solution.

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2 years ago
An alternating source drives a series RLC circuit with an emf amplitude of 6.34 V, at a phase angle of +32.6°. When the potentia
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Answer:

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Explanation:

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2 years ago
Solve 3.4 = 5.1(3.7x + 4.7) for x.
solniwko [45]

Answer:

Explanation:

3.4 = 18.87x + 23.97

collecting like terms

3.4 - 23.97 = 18.87x

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dividing both sides by 18.87

x = -20.57/18.87

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6 0
3 years ago
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34kurt

Answer:

It regulates the movement of proteins and RNAs into and out of the nucleus

Explanation:

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