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3 years ago

Explain how it is possible for the smallest white dwarfs to be the most massive.

1 answer:

8 0

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.. The most massive stars, with eight times the mass of the sun or more, will never become white dwarfs. Instead, at the end of their lives, they will explode in a violent supernova, leaving behind a neutron star or black hole.

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What is the term that causes winds to curve

slava [35]

The Coriolis force causes the wind to curve.

5 0

3 years ago

kykrilka [37]

Answer:

<h2>n+5 is ur answer</h2>

hope it helps uh.

6 0

3 years ago

A flat, rigid object oscillates as a physical pendulum in simple harmonic motion with a frequency f. The mass of the pendulum is

lyudmila [28]

Answer:

I = mgd/4π²f²

Explanation:

The period of the physical pendulum T = 1/f where f = frequency,

T = 1/f = 2π√(I/mgd) where I = moment of inertia of the physical pendulum, m =mass of pendulum, g = acceleration due to gravity and d = distance of center of mass of pendulum from pivot point.

1/f = 2π√(I/mgd)

dividing both sides by 2π, we have

1/2πf = √(I/mgd)

squaring both sides, we have

(1/2πf) = [√(I/mgd)]²

1/4π²f² = I/mgd

multiplying both sides by mgd, we have

I = mgd/4π²f²

7 0

3 years ago

Electrons are accelerated through a voltage difference of 230 kV inside a high voltage accelerator tube. What is the final kinet

Aliun [14]

Answer:

kinetic energy is 3.68 × $10^{-14}$ J

speed of these electrons is 0.5565 c

Explanation:

Given data

voltage difference = 230 kV

to find out

kinetic energy and speed of these electrons

solution

we know kinetic energy formula that is

kinetic energy = qv

kinetic energy = 1.6 × $10^{-19}$ × 230 × $10^{3}$

kinetic energy = 3.68 × $10^{-14}$ J

and

speed of electron that is

kinetic energy = m1c² - m2 c²

here m1 = m / √(1-v/c)²

KE/mc² = ( 1 / √(1-(v/c)² ) - 1

put value here

3.68 × $10^{-14}$ / (3× 10^8)²×9.11× $10^{-31}$ = ( 1 / √(1-v/c)² ) - 1

0.448835223 = ( 1 / √(1-(v/c)² ) - 1

( 1 / √(1-(v/c)² ) = 0.448835223 + 1 = 1.448835223

√(1-(v/c)² = 1 / 1.448835223 = 0.6902096

(v/c)² = 1 - 0.6902096 = 0.309790

v = 0.5565 c

speed of these electrons is 0.5565 c

5 0

3 years ago

Two cannonballs are dropped from a second-floor physics lab at height h above the ground. Ball B has four times the mass of ball

frez [133]

Formula of kinetic energy

$e = \frac{1}{2} m {v}^{2}$

Therefore Kinetic energy of ball B is 4 times more than ball A.

ans is KB=4KA

6 0

3 years ago