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Ivan
3 years ago
14

If the period of the wave is 0.34 seconds what would be the frequency of the wave

Physics
1 answer:
Leokris [45]3 years ago
3 0

Answer:

3 every second

Explanation:

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If the only force exerted on a star far from the center of the Galaxy (r = 7.40 ✕ 1020 m) is the gravitational force exerted by
lina2011 [118]

Answer:

The value is  v = 1.309*10^{5}\ m/s

Explanation:

The radius is r = 7.40 *10^{20} \  m

The mass of the ordinary matter is M_{rod} =  1.90 *10^{41}\  kg

Generally the speed of the star is mathematically represented as

         v = \sqrt{\frac{G * M}{r} }

Here G is the gravitational constant with a value

        G = 6.67384 * 10^{-11}

So

      v = \sqrt{\frac{6.67384 * 10^{-11} * 1.90 *10^{41}}{7.40 *10^{20}} }

=>    v = 1.309*10^{5}\ m/s

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3 years ago
When a rope is wrapped around a wheel (or pulley) and pulled, the lever arm is the ________ Blank 1 of the wheel and the angle b
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the DISTANCE between the lever arm and the force is always 90º

Explanation:

In this exercise, you are asked to complete the missing words so that the phrase makes sense.

note that the torque is

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where bold indicates vectors

When the rope is pulled, the DISTANCE between the lever arm and the force is always 90º

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The cycle that is the slowest because there is no gas phase is the _____ cycle.
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The faster car behind is catching up/closing the gap/gaining on
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