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nasty-shy [4]
2 years ago
10

what is the designation given to a galaxy with a small nuclear bulge and loosely wound arms starting from a a bar through the nu

clear bulge
Physics
1 answer:
Naya [18.7K]2 years ago
5 0

In SBc galaxies, both the arms and the bar are highly resolved into star clouds and stellar associations. The arms are open in form and can start either at the ends of the bar or tangent to a ring.

<h3>Is the Milky Way a SBc galaxy?</h3>

Originally thought to be a hubble type Sb or Sc (Sbc), astronomers now believe that the Milky Way is has a central bar and is therefore a loosely wound, barred spiral galaxy – Hubble type SBbc.

<h3>What is the difference between an SBc galaxy and an Sc galaxy?</h3>

Sa (and SBa) galaxy types have tightly wound arms and large central bulges.

Sc's (and SBc's) have loosely wound arms and a small central bulge.

Learn more about SBc galaxy here:

<h3>brainly.com/question/2515850</h3><h3 /><h3>#SPJ4</h3>

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A 85-kg astronaut is stranded from his space shuttle. He throws a 1-kg hammer away from the shuttle with a velocity of 17 m/s. H
algol [13]

Answer:

0.2 m/s

Explanation:

given,

mass of astronaut, M = 85 Kg

mass of hammer, m = 1 Kg

velocity of hammer , v =17 m/s

speed of astronaut, v' = ?

initial speed of the astronaut and the hammer be equal to zero = ?

Using conservation of momentum

(M + m) V = M v' + m v

(M + m) x 0 = 85 x v' + 1 x 17

85 v' = -17

  v' = -0.2 m/s

negative sign represent the astronaut is moving in opposite direction of hammer.

Hence, the speed of the astronaut is equal to 0.2 m/s

4 0
4 years ago
Light waves can travel in vacuum.<br> But sound waves can not travel in<br> vacuum. Why?
sdas [7]

there are no molecules in it to vibrate

8 0
3 years ago
If a 950 kg car has 30,400 J of kinetic energy, how fast is it moving?
abruzzese [7]
Hello

The kinetic energy K of a moving object is:
K= \frac{1}{2} m v^2
where m is the mass and v the velocity of the object.
Using this formula, we can calculate v for this problem:
v= \sqrt{ \frac{2E}{m} }= \sqrt{ \frac{2\cdot30400~J}{950~Kg} }  = 8~m/s
6 0
3 years ago
An aeroplane cruises at normal speed. Upon fl ying into turbulent (unstable) air, it suddenly drops downwards vertically. Passen
fredd [130]

Answer:

Your answer would be D. be pushed down into their seats.

Explanation:

You can think of it this way:

If you're not wearing a seat belt on an airplane that drops suddenly, in this case, vertically, which often happens with turbulence- you're the one at rest. You'll stay at rest as the plane (literally) drops out from under you.

If you're strapped in, the seat belt serves as an outside force acting on you, taking you with the plane as it drops and saving you from hitting the ceiling.

Always remember Newton's first law of motion: A body at rest will remain at rest unless an outside force acts on it.

6 0
3 years ago
A traveling periodic wave passes a point of observation. At this point, the time between successive crests is 0.2s. What can you
Aleks04 [339]

The time between the successive crusts will give the time period of the wave.

So, the time period, T of the given wave is 0.2 s.

The frequency of a wave is the reciprocal of its time period. That is,

Frequency, ν = \frac{1}{T}

= \frac{1}{0.2}

= 5 Hz

Thus, the frequency of the given travelling periodic wave is 5 Hz.

3 0
3 years ago
Read 2 more answers
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