4 years ago

What two things can happen in the life of a massive star after it passes from the supernova stage?

1 answer:

kupik [55]4 years ago

4 0

Medium stars become dwarf stars, large stars become either neutron (pulsar) stars or black holes

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Alex Ar [27]

Answer:7m/s

Explanation:

5.8+1.2

=7.

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3 years ago

kotegsom [21]

In order to completely describe a velocity,
you need a speed and a direction.

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3 years ago

Law Incorporation [45]

Yes, his velocity will decrease the further he slides.

7 0

3 years ago

hichkok12 [17]

(2.0 x 10² N/Coul) x (-1.6 x 10⁻¹⁹ Coul) = -3.2 x 10⁻¹⁷ N

The magnitude is 3.2 x 10⁻¹⁷ Newton.

3 0

3 years ago

suter [353]

Answer:

J = 357.5 kg*m/s

Explanation:

The impulse exerted on Katelyn when she was on the force plate, is equal to the change in her momentum, according to Newton's 2nd Law.
Assuming as the positive direction the upward direction (coincident with the positive y-axis) we can express the initial momentum as follows:

$p_{o} = m*v_{o} = 55 kg * (-3.0 m/s) (1)$

$p_{f} = m*v_{f} = 55 kg * (3.5 m/s) (2)$

As we have already said, the impulse J is just equal to the change in momentum, i.e., the difference between (2) and (1):

$J = p_{f} - p_{o} = m* (v_{f} -v_{o}) = 55 kg* (3.5m/s- (-3.0m/s)) = 357.5 kg*m/s (3)$

5 0

3 years ago