3 years ago

Which substance(s) will sink if placed in a fluid that has a density of 1.19 g/ml? (List all)

Physics

1 answer:

olga2289 [7]3 years ago

7 0

Answer:

Corn Syrup

Explanation:

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$v = 3869 m/s$

Explanation:

As we know that the orbital speed of the satellite is given as

$v = \sqrt{\frac{GM}{r}}$

also we know that

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$T = \frac{2\pi r}{v}$

now from above equation we know that

$T = \frac{2\pi (\frac{GM}{v^2})}{v}$

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so we will have

$v = (\frac{2\pi GM}{T})^{1/3}$

now plug in all data in this equation

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3 years ago

How many sandwiches were made in the hour?

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4 years ago

A spacecraft of mass 1500 kg orbits the earth at an altitude of approximately 450 km above the surface of the earth. Assuming a

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Answer:

1.28 x 10^4 N

Explanation:

m = 1500 kg, h = 450 km, radius of earth, R = 6400 km

Let the acceleration due to gravity at this height is g'

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g' / g = {6400 / (6850)}^2

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W = m x g' = 1500 x 8.55 = 1.28 x 10^4 N

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4 years ago

A 320 g air track cart traveling at 1.25 m/s collides with a stationary 270 g cart. What is the speed of the 270 g cart after th

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Answer:

The speed of the 270g cart after the collision is 0.68m/s

Explanation:

Mass of air track cart (m1) = 320g

Initial velocity (u1) = 1.25m/s

Mass of stationary cart (m2) = 270g

Velocity after collision (V) = m1u1/(m1+m2) = 320×1.25/(320+270) = 400/590 = 0.68m/s

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3 years ago

Two long wires hang vertically. wire 1 carries an upward current of 1.60

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3.00 is my correct answer this is what my teacher told me.thanks

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3 years ago