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Nonamiya [84]
3 years ago
5

In Kepler's model of the solar system, the planets move around the Sun in _________ orbits.

Physics
1 answer:
cestrela7 [59]3 years ago
3 0
B. elliptical.

The planets move in elliptical orbits round the Sun.
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A speaker that emits sound is located at the origin of a coordinate system. Two microphones are located on the x-axis, with micr
Taya2010 [7]

Answer:

0.00583 seconds

Explanation:

Distance from mic 1 to origin = 3 m

Distance from mic 2 to origin = 5 m

Speed of sound = 343 m/s

Time taken by mic 1

t_1=\frac{\text{Distance from mic 1 to origin}}{\text{Speed of sound}}\\\Rightarrow t_1=\frac{3}{343}=0.008746\ s

t_2=\frac{\text{Distance from mic 2 to origin}}{\text{Speed of sound}}\\\Rightarrow t_2=\frac{5}{343}=0.014577\ s

Time difference = t₂ - t₁ = 0.14577-0.008746 = 0.00583 s

∴ Difference in time taken by the speaker is 0.00583 s

5 0
3 years ago
Newtons first law of motion states that the velocity of an object doesn’t change if the forces acting on the object are
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Balenced

Think of it this way if 2 same weight and same speed objects were racing toward each other perfectly straight then their forces will cancel out and the movement afterwords will be 0
4 0
2 years ago
1) A wave has a speed of 40 m/sec and a wavelength of
Vitek1552 [10]

Answer:hmm not sure on that one

Explanation:

3 0
3 years ago
A string is stretched between a fixed support and a pulley a distance 111 cm apart. The tension on the string is controlled by a
kvv77 [185]

Answer:

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3 years ago
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aliina [53]

At the top of the mountain, when he tightens the cap onto the bottole, there is some water and some air inside the bottle.  Then he brings the bottle down to the base of the mountain.

The pressure on the outside of the bottle is greater  than it was when he put the cap on.  If anything could get out of the bottlde, it would. But it can't . . . the cap is on too tight. So all the water and all the air has to stay inside, and anything that can get squished into a smaller space has to get squished into a smaller space.

The water is pretty much unsquishable.

Biut the air in there can be <em>COMPRESSED</em>.  The air gets squished into a smaller space, and the bottle wrinkles in slightly.

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