3 years ago

Which of the following is the most likely end for a star that is small to average in size?

Physics

1 answer:

NISA [10]3 years ago

8 0

Answer: D. White Dwarf

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A student measures the time it takes for two reactions to be completed reaction eight is completed and 57 seconds and reaction b

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The answer to this problem is 1200

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3 years ago

50. The potential energy of a spring is 0.3 J when it is compressed 0.04 m to the left of its equilibrium

lozanna [386]

Answer:

Your answer should be A. 0.25 J and moving to the right

Explanation:

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3 years ago

In operant conditioning, generalization occurs when

Vitek1552 [10]

Typically occurs when we associate things to other things that look alike. We see that in many experiments, specifically “Little Albert” who was conditioned to be afraid of rats but later was afraid of anything that resembled that of a rat.
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3 years ago

Organic macromolecules called _______ are insoluble in water

NikAS [45]

Answer:

lipids are insoluble in water which is why lipids are often found in biological membranes and other waterproof coverings.

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3 years ago

Motor oil , with a viscosity of 0 . 250 Ns / m2 , is flowing through a tube that has a radius of 5 . 00 mm and is 25 . 0 cm long

Thepotemich [5.8K]

Answer:

1.1775 x 10^-3 m^3 /s

Explanation:

viscosity, η = 0.250 Ns/m^2

radius, r = 5 mm = 5 x 10^-3 m

length, l = 25 cm = 0.25 m

Pressure, P = 300 kPa = 300000 Pa

According to the Poisuellie's formula

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$V=\frac{\pi \times Pr^{4}}{8\eta l}$

$V=\frac{3.14 \times 300000\times \left ( 5\times 10^{-3} \right )^{4}}{8\times 0.250\times 0.25}$

V = 1.1775 x 10^-3 m^3 /s

Thus, the volume of oil flowing per second is 1.1775 x 10^-3 m^3 /s.

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