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Gelneren [198K]
3 years ago
12

Pulsars A. spin very rapidly when they're young. B. are the cause of gamma-ray bursts. C. spin very slowly when they're young, a

nd gradually spin faster as they age. D. generally form from 25-solar-mass stars. E. emit radio in all directions.
Physics
1 answer:
patriot [66]3 years ago
5 0

Answer: A. spin very rapidly when they're young.

Explanation:

A pulsar (pulsating star) is a neutron star that emits very intense jets of electromagnetic radiation in the range of radio waves, X-rays or gamma rays, at short and periodic intervals due to its intense magnetic field that induces this emission.  

One of its main charateristics is its  rapidly rotation (spin) when this star is young. So, as the star spins, beams of radio radiation from it sweep through space. If one of these beams points toward the Earth, we observe a <u>pulse</u>.  

This is possible when the magnetic pole of the star "points" to the Earth and then stops pointing a thousandth of a second later due to the fast rotation of the star, appearing again when the same pole returns to point towards Earth.  

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Answer:

acceleration, a = 9.8 m/s²

Explanation:

'A ball is dropped from the top of a building' indicates that the initial velocity of the ball is zero.

u = 0 m/s

After 2 seconds, velocity of the ball is 19.6 m/s.

t = 2s, v = 19.6 m/s

Using

v = u + at

19.6 = 0 + 2a

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Answer:

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What led scientists to the discovery of the strong nuclear force?
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Answer:

Explanation:

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An object of mass 3 kg, moving with and sticks to an object of mass 2.00 kg with an initial velocity of 3.00 m/s. Find the final
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Explanation:

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initial momentum = m1v1+m2v2

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HENCE  

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