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ra1l [238]
2 years ago
6

HELP FAST CORRECT ANSWERS ONLY

Physics
2 answers:
pashok25 [27]2 years ago
5 0

Answer:

The limit is the Chandrasekhar limit of 1.38 -> 1.4 solar masses. so once it reaches that limit it will become a neutron star so the answer is A

hope im right

SSSSS [86.1K]2 years ago
3 0

Answer:

D) it explodes as a super nova

Explanation:

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A ray of laser light travels through air and enters an unknown material. The laser enters the material at an angle of 36 degrees
V125BC [204]

Answer:1.27

Explanation:

Given

incident angle i=36^{\circ}

refracted angle r=27.5^{\circ}

Suppose n_2 is the refractive index of material then using Snell's law we  can write

n_1\sin i=n_2\sin r

where n_1=refractive index of air

1\times \sin (36)=n_2\times \sin (27.5)

n_2=\dfrac{0.5877}{0.4617}

n_2=1.27

3 0
3 years ago
A bowling ball with a mass of 7.0 kg, generates 56.0 kgᐧm/s units of momentum. What
Misha Larkins [42]

Answer:

8 m/s

Explanation:

p = mv \\ 56 = (7.0)(v) \\ v = 8.0 \: m {s}^{ - 1}

7 0
2 years ago
A cruise ship makes its way from one island to another. The ship is in motion compared with which reference point?
jekas [21]

A reference point would be something not on the ship which could be used to calculate distance traveled.

Answer: C.) A lighthouse on a nearby Island

7 0
2 years ago
Read 2 more answers
If only an external force can change the velocity of a body, how can the internal force of the brakes bring a car to rest? 1. It
RoseWind [281]

Answer:

4. It is the force of the road on the tires (an external force) that stops the car.

Explanation:

If there is no friction between the road and the tires, the car won't stop.

You can see this, for example, when there is ice on the road. You can still apply the brakes (internal force), but since there is no friction (external force) the car won't stop.

The force of the brakes on the wheels is not what makes the car stop, it is the friction of the road against still tires that makes it stop.

3 0
3 years ago
Voices of swimmers at a pool travel 400 m/s through the air and 1,600 m/s underwater. The wavelength changes from 2 m in the air
frosja888 [35]

The frequency of the wave has not changed.

In fact, the frequency of a wave is given by:

f=\frac{v}{\lambda}

where v is the wave's speed and \lambda is the wavelength.

Applying the formula:

- In air, the frequency of the wave is:

f=\frac{400 m/s}{2 m}=200 Hz

- underwater, the frequency of the wave is:

f=\frac{1600 m/s}{8 m}=200 Hz

So, the frequency has not changed.

3 0
3 years ago
Read 2 more answers
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