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k0ka [10]
3 years ago
7

When a star is in the main-sequence stage of its life, it is fusing __________ into ________

Physics
1 answer:
gizmo_the_mogwai [7]3 years ago
7 0
Hydrogen into helium
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A rocket has a mass 250 x (10^3) slugs on earth. Specify(a) its mass in SI units, and(b)its weight in SI units.If the rocket is
zloy xaker [14]

Explanation:

It is given that,

Mass of the rocket, m=250\times 10^3\ slugs

(a) The SI unit of mass is kilogram (kg). The relation between slugs and the kg is given by :

1 slug = 14.59 kg

So, 250\times 10^3\ slugs=250\times 10^3\times 14.59

Mass of the rocket, m = 3647500 kg

(b) Weight of the rocket is given by :

W = m g

W=3647500\times 9.8=35745500\ N

or

W=3.5\times 10^7\ N

(c) If the rocket is placed on the moon. The acceleration due to gravity on the moon is, a=5.3\ ft/s^2=1.61\ m/s^2

Mass is the amount of matter contained inside the object. So, the mass of the rocket remains the same i.e. 3647500  kg

Weight of the rocket on the moon is, W=mg

W=3647500\times 1.61

W = 5872475 N

or

W=5.8\times 10^6\ N

Hence, this is the required solution.                        

8 0
3 years ago
The volume of a piece of rock was 18.0 cm^3. The student measured the mass of the piece of rock as 48.6 g. Calculate the density
Tatiana [17]

Answer:

Density of rock piece = 2.7 g/cm³

Explanation:

Given:

Volume of rock piece = 18 cm³

Mass of rock piece = 48.6 gram

Find:

Density of rock piece

Computation:

We know relation between density, mass and volume,

Density = Mass / Volume

Density of rock piece = Mass of rock / Volume of rock

Density of rock piece = 48.6 / 18

Density of rock piece = 2.7 g/cm³

3 0
3 years ago
Which of the following is the recommended amount of fats per meal for male clients
grigory [225]

Answer:

44 grams- 55 grams through the whole day. Probably about 14.6 grams per meal.

Explanation:

6 0
3 years ago
Read 2 more answers
Jupiter and uranus both _____. have two satellites rotate backwards orbit faster than they revolve have rings and bands
mina [271]
The answer is:  [D]:  "have rings and bands" .
_________________________________________________
7 0
3 years ago
7. What is the weight of an infant whose mass is 1.76 kg?
stiks02 [169]

Answer:

3 pounds and 14.082 ounces (?)

Explanation:

F= M x 9.8

1.76 x 9.8 = 17.25 N

6 0
3 years ago
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