3 years ago

What prevents the planets in our solar system from floating away?

Physics

2 answers:

Doss [256]3 years ago

5 0

Answer:

Explanation:

Suns gravitational pull

Alborosie3 years ago

3 0

The suns gravity keeps planets in their orbits. There is no other force in space to pull them out of their orbits therefore they stay.

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What is the net work done<br> on the object over the distance shown?

enyata [817]

Answer:

Explanation:

the positive cancels out the negative area

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3 years ago

Calculate the frequency of yellow light with a wavelength of 580x10 to the -9

aniked [119]

$5.2x10¹⁴ hz$ is your answer.

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3 years ago

A student finds an unlabeled liquid container in his lab. He notices that the container has two liquids. Since the two liquids h

raketka [301]

Answer:

$\rho = 1848.03 kg m^{-3}$

Explanation:

given data:

density of water \rho = 1 gm/cm^3 = 1000 kg/m^3

height of water = 20 cm =0.2 m

Pressure p = 1.01300*10^5 Pa

pressure at bottom

$P = P_{fluid} + P_{h_2 o}$

$P = P_{fluid} + \rho g h$

$P_{fluid} = P - \rho g h$

= 1.01300*10^5 - 1000*0.2*9.8

= 99340 Pa

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$99340 = 104900 + \rho *9.8*0.307$

$\rho = 1848.03 kg m^{-3}$

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4 years ago

Two long, parallel wires are separated by a distance of 2.2 cm. The force per unit length that each wire exerts on the other is

VikaD [51]

Answer:

$i_2 = 7.6 A$

Explanation:

As we know that the force per unit length of two parallel current carrying wires is given as

$F = \frac{\mu_o i_1 i_2}{2\pi d}$

here we know that

$F = 3.6 \times 10^{-5} N/m$

$i_1 = 0.52 A$

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now from above equation we have

$3.6 \times 10^{-5} = \frac{4\pi \times 10^{-7} (0.52)(i_2)}{2\pi (0.022)}$

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$i_2 = 7.6 A$

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3 years ago

What is the angular speed of the tip of the minute hand on a clock

julsineya [31]

Answer:

Its angular speed is 0.105 rad /s. The minute hand of a clock takes 60 minutes = 60 x 60 seconds to complete one rotation.

Hope this Helps!!

Have a nice day :)

Explanation:

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3 years ago