3 years ago

A cheetah can go from a state of resting to running at 20 m/s in just 2 seconds.

Physics

1 answer:

Andreyy893 years ago

5 0

10 m/s2 for a distance of 65.2 ft

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Suppose that an electromagnetic wave which is linearly polarized along the x−axis is propagating in vacuum along the z−axis. The

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stepladder [879]

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The velocity of a wave is 500 m/s . The wavelength of the wave is 3.2 m . What is the frequency of the wave ?

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f=156.25Hz

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Answer: option d: The nucleus of Atom Q is more stable than the nucleus of Atom P.

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Atom P is radioactive and disintegrates, it emits beta particles (high speed electrons or positrons) because it is not stable. On disintegration, it forms a stable Atom Q which is non-radioactive and thus it does not disintegrates further.

Thus, the correct option is only d. The nucleus of Atom Q is more stable than the nucleus of Atom P.

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