2 years ago

Why are these waves called out phase waves?

Physics

1 answer:

ss7ja [257]2 years ago

4 0

Answer:

^ What he said

Explanation:

Peace out

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Which change will always result in an increase in the gravitational force between two objects?

aleksklad [387]

Answer:

increasing the masses of the objects and increasing the distance between the objects

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2 years ago

if 130N centripetal force is needed to keep a 0.45kg ball that is attached to a string that is 0.7m long to complete 5 full rota

andrezito [222]

Answer:

centripetal acceleration of the ball is 6.9 m/s/s

tangential speed of the ball is 2.2 m/s

Explanation:

As we know that ball complete 5 rotations in 10 seconds

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$f = \frac{5}{10} = 0.5 Hz$

now we know that angular frequency is given as

$\omega = 2\pi f$

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$a_c = \omega^2 R$

$a_c = \pi^2 (0.7)$

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now the velocity of the ball at this angular frequency is given as

$v = R\omega$

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Which of the following most<br> directly limits the number of<br> organisms in a community?

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Answer:

It can either be food, mating, or competition with other organisms for resources.

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2.1 Define Resultant vector

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Explanation:

In vector geometry, the resultant vector is defined as: “A resultant vector is a combination or, in simpler words, can be defined as the sum of two or more vectors which has its own magnitude and direction.”

I hope it's helpful!

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How can being scientifically literate help you in your own life?

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