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Kipish [7]
3 years ago
11

What determines if a star becomes a dwarf, neutron star or a black hole?

Physics
1 answer:
faust18 [17]3 years ago
3 0
I'm pretty sure it's the neutron star.
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A train accelerates at -1.5m/s for 10 seconds if the train had an initial speed of 32 m/s what is it's new speed
juin [17]
A. 17 m/s. let me know if it’s correct
3 0
3 years ago
Consider a steel guitar string of initial length L=1.00L=1.00 meter and cross-sectional area A=0.500A=0.500 square millimeters.
erma4kov [3.2K]

Answer:

The extent to which it would stretch  is \Delta L = 0.015 \ m

Explanation:

From the question we are told that

    The initial length is  L = 1.00m

     The area is  A = 0.500 mm^2 = \frac{0.500}{1 *10^6} = 0.500*10^6 \ m^2

     The Young modulus of the steel is  Y = 2.0*10^{11} Pa

     The tension   is  T =1500 N

The Young modulus is mathematically represented as

       Y = \frac{\sigma}{e}

Where \sigma is the stress which is mathematically represented as

           \sigma = \frac{F}{A}  

Substituting values

            \sigma = \frac{1500}{0.500*10^{-6}}  

           \sigma = 3.0*10^9 N/m^2  

And  e is the strain which is mathematically represented as

            e = \frac{\Delta L}{L }

Where \Delta L The extension of the steel string

Substituting these into the equation above

             Y = \frac{3.0*10^9}{\frac{\Delta L}{L} }

Substituting values  

           2.0 *10^{11} = \frac{3.0*10^9}{\frac{\Delta L}{L} }

          \Delta L = \frac{3.0*10^9  * 1}{2.0 *10^{11}}

         \Delta L = 0.015 \ m

7 0
3 years ago
What is the smallest particle that relains<br> the properties of an element
VLD [36.1K]

Answer:

atom

Explanation:

Smallest particle of an element that identifies that element is an atom.

8 0
2 years ago
How long will it take you to pass a truck at 60 mph with oncoming traffic?
DedPeter [7]
<span>This is impossible to calculate without knowing the speed of each vehicle. </span>
6 0
3 years ago
Read 2 more answers
in a certain nuclear reactor, neutrons suddenly collide with carbon nuclei, which have 12 times the mass of neutrons. in a head-
castortr0y [4]

carbon atomic mass Equals m2

neutron mass = M,

as mg 12m1 = the speed of the neutron following a collision

m1 - m2 / m1 + m2 * u1 = v1

= [(-12m1+m1) / 13m1] * u1

= [(-12+1) 13] * u1

v1 = -11/13*u1

Neutron speed equals 11/13 starting speed.

Response: 11/13

A nuclear reactor is a device used to start and regulate nuclear chain reactions involving fission or nuclear fusion. Nuclear reactors are used in nuclear power plants to produce electricity and in nuclear propulsion for ships.

The neutron, symbol n or n0, is a subatomic particle with a neutral charge and slightly more mass than a proton. Atomic nuclei consist of protons and neutrons.

The element with atomic number 6 carbon has small, straightforward atoms. Six positively charged protons make up the nucleus, and there are six electrons outside the nucleus that are split between two shells.

To know more about nuclear reactor, click on the link below:

brainly.com/question/23160065

#SPJ4

5 0
1 year ago
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