Which of the following lists the stars in order from least density to greatest density?A. white dwarf, neutron star, main sequence star, giant
B. giant, main sequence star, white dwarf, neutron star
C. white dwarf, neutron star, giant, main sequence star
D. neutron star, white dwarf, main sequence star, giant

Answers

Answer 1

Answer:

The following lists ofstars in order from least density to greatest density are giant, main sequencestar, white dwarf, neutron star. The answer is letter B. Aside from neutronstar being the densest star, it is also the smallest star compared to the giantstar, as its name implied.

Answer 2

Answer:

Answer:

Explanation:

as a medium star

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The Hubble telescope’s orbit is 5.6 × 105 meters above Earth’s surface. The telescope has a mass of 1.1 × 104 kilograms. Earth exerts a gravitational force of 9.1 × 104 Newtons on the telescope. The magnitude of Earth’s gravitational field strength at this location is

Answers

The gravitational field is the Force divided by the mass

Call g the gravitational fiel, F the force exerted by the earth and m the mass of the telescope.

g = F / m

g=9.1x10^4 N / 1.1 x 10^4 kg = 8.27 N/kg

Note that the unit N/kg is equivalent to m/s^2

I am one of the most dynamic processes of Earth. I help recycle Earth's materials. I move Earth's crustal plates, creating many different geological surface features. I am also the cause of natural disasters, such as earthquakes and volcanoes. What am I?

Answers

I Can only think of tectonic plates or gravity

Continental Drift.. ✌

How much heat energy must be added to 52kg Of water at 68°F to raise the temperature to 212°F? The specific heat capacity for water is 4.186×10 to the third power J/kg times degrees Celsius

Answers

Answer:

The amount of energy added to rise the temperature Q = 17413.76 KJ

Explanation:

Mass of water = 52 kg

Initial temperature $T_(1)$ = 68 °F = 20° c

Final temperature $T_(2)$ = 212 °F = 100° c

Specific heat of water $C = 4.186 (KJ)/(kg c)$

Now heat transfer Q = m × C × ( $T_(2)$ - $T_(1)$ )

⇒ Q = 52 × 4.186 × ( 100 - 20 )

⇒ Q = 17413.76 KJ

This is the amount of energy added to rise the temperature.

If X = 5 and Y = 3, what does Z equal?
2X + 2Z = 10Y

Answers

Z equals 10, when substitute X = 5 and Y = 3 in 2X + 2Z = 10Y.

What are Arithmetic operations?

Arithmetic operations can also be specified by the subtract, divide, and multiply built-in functions.

* Multiplication operation: Multiplies values on either side of the operator

For example 4*2 = 8

/ Division operation: Divides left-hand operand by right-hand operand

For example 4/2 = 2

Given that equation as:

⇒ 2X + 2Z = 10Y

If X = 5 and Y = 3,

Substitute the values of X = 5 and Y = 3,

⇒ 2(5) + 2 (Z) = 10(3)

Apply the multiplication operation

⇒ 10 + 2Z= 30

⇒ 2Z = 20

⇒ Z = 20/2

Apply the division operation

⇒ Z = 10

Hence, Z equals 10, when Substitute X = 5 and Y = 3 in 2X + 2Z = 10Y

Learn more about Arithmetic operations here:

brainly.com/question/25834626

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2(5) + 2 (z) = 10{3}
10 + 2z= 30
2z=20
z=10

A 7.80-g bullet moving at 575 m/s strikes the hand of a superhero, causing the hand to move 5.50 cm in the direction of the bullet’s velocity before stopping. (a) Use work and energy considerations to find the average force that stops the bullet. (b) Assuming the force is constant, determine how much time elapses between the moment the bullet strikes the hand and the moment it stops moving.

Answers

Answer:

a)40.77N

b)0.11seg

Explanation:

The bullet has a kinetic energy:

$K=1/2*m*v^(2) = 1/2*0.0078kg*575m/s=2.2425J$

When the bullet stops this energy goes to zero, as the energy must be conserved the work done by the head of the superhero must be equal to the original energy of the bullet:

$W=K$