3 years ago

What's 600,000,000 divided by 3,000.000,000,000?

Physics

1 answer:

Murljashka [212]3 years ago

5 0

Answer:0.000002

Explanation: I Looked It Up lol

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A steel ball with mass m is suspended from the ceiling at the bottom end of a light, 17.0-m-long rope. The ball swings back and

iogann1982 [59]

Answer:

1. 18.25 m/s

2. 0 m/s

Explanation:

1.So the centripetal acceleration of the ball at this lowest point must be, taking gravity into account

$a_c = \frac{T - mg}{m} = \frac{3mg - mg}{m} = 2g$

The speed at this point would then be

$v^2 = a_c r = 2gr = 2*9.8*17 = 333.2$

$v = \sqrt{333.2} = 18.25 m/s$

2. Similarly, if T = mg, then the centripetal acceleration must be

$a_c = \frac{T - mg}{m} = \frac{mg - mg}{m} = 0$

As the ball has no centripetal acceleration, its speed must also be 0 as well.

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4 years ago

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Answer:

Explanation:

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3 years ago

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ale4655 [162]

Answer:

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Explanation:

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3 years ago

What is the average speed of a cheetah that runs 88m in 5 seconds?

pishuonlain [190]

17.6 m/s