3 years ago

Which describes the rotational motion of a planet?

1 answer:

4 0

<span>B.) The motion of the planet as it spins on its axis

Please be careful with option A, 'cause it is "Revolutionary motion", many people would choose that but, it's wrong.

In short, Your Answer would be Option B

Hope this helps!</span>

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A typical wall outlet voltage in the United States is 120 volts. Personal MP3 players require much smaller voltages, typically 4

alexgriva [62]

Answer:

Number of turns on the secondary coil of the adapter transformer is 10.

Explanation:

For a transformer,

$\frac{V_{s} }{V_{p} } = \frac{N_{s} }{N_{p} }$

where $V_{s}$ is the voltage induced in the secondary coil

$V_{p}$ is the voltage in the primary coil

$N_{s}$ is the number of turns of secondary coil

$N_{p}$ is the number of turns of primary coil

From the given question,

$\frac{487*10^{-3} }{120}$ = $\frac{N_{s} }{2464}$

⇒ $N_{s}$ = $\frac{2462*487*10^{-3} }{120}$

= 9.999733

∴ $N_{s}$ = 10 turns

5 0

3 years ago

Read 2 more answers

Can someone help me?!!!!!

SOVA2 [1]

Answer:magnitude -5; angle 160°

Explanation:

Vector A is described as having magnitude 5 and angle -20°.

To get an equivalent vector, we either leave the magnitude at 5 and add 360° to the angle, or we reverse the magnitude to -5 and add 180° to the angle.

5 @ -20° = 5 @ 340°

5 @ -20° = -5 @ 160°

The third one is the answer.

8 0

3 years ago

1 A thing ring has a mass of 6kg and a radius of 20cm. calculate the rotational inertia.

marissa [1.9K]

Answer:

2400kgm²

Explanation:

Rotational inertia=mass x radius²

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3 years ago

A 1.50 x 109 kg railroad car moving at 7.00 m/s to the north collides with

barxatty [35]

GIVE ME YOUR MONEY

Explanation:

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3 years ago

What will happen if you drop a golf ball, a baseball, and a bowling ball at the same instant from the top of a tall building

V125BC [204]

Depending on the height of the building they can break due to impact on the floor.

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3 years ago