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mixas84 [53]
3 years ago
9

This is science :)

Physics
1 answer:
iris [78.8K]3 years ago
8 0
1 to 5 would be your answer
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PLEASE HELP ME WITH THIS ONE QUESTION
Vlad [161]

Answer: 44.57°C

Explanation:

The following can be deduced from the question:

Specific heat of water = 4.186 J/kg

From the question, we can infer that 625 × 4.186 joules of heat will be lost when there's a 1°C drop of water.

We then calculate the amount if degrees that it'll take to cool for 7.96 x 10⁴J. This will be:

= 7.96 × 10⁴ /(625 × 4.186)

= 79600/(625 x 4.186)

= 79600/2616.25

= 30.43°C

The final temperature will then be:

= 75.0°C - 30.43°C

= 44.57°C

3 0
3 years ago
what are the main morphological types of galaxies, and what is the difference in their rotation patterns?
ankoles [38]

The main morphological types of galaxies are elliptical, spiral, and irregular.

Based on their morphology , galaxies have been classified into 3 types namely elliptical, spiral, and irregular.

These galaxies have various sizes and shapes ranging from dwarf galaxies to giant galaxies.

Elliptical Galaxy:

  • The shape of it is generally circular
  • These are the largest among all the types of galaxies because according to astronomers, it is formed by the merger of other small galaxies.
  • Their rotational pattern is symmetric.

Spiral Galaxy:

  • A spiral galaxy consists of a bright nucleus surrounded by a thin outer disk forming a spiral shape.
  • This type of galaxy is the most common in our universe.
  • It is divided into three classes: Spiral a, Spiral b, and Spiral c.
  • Their rotational pattern has circular symmetry.

Irregular Galaxy:

  • These types of galaxies have no central nucleus and irregular arms which are bluish.
  • They don’t have any rotational symmetry.

To know more about "galaxies", refer to the following link:

brainly.com/question/24836631?referrer=searchResults

#SPJ4

3 0
2 years ago
NEED HELP ASAP!
fiasKO [112]
The answer to this question is d because prejudices is not based on experience or reasons
3 0
3 years ago
Read 2 more answers
A 91.1 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.73 r
KIM [24]

Answer:

\omega_f = 1.08 rad/s

Explanation:

As we know that there is no external torque on the system of platform, banana and the monkey

so the angular momentum of the system will remains conserved

so here we can say

L_i = L_f

I_o\omega = (I_o + m_1r_1^2 + m_2r_2^2)\omega_f

here we know that

I_o = \frac{1}{2}mR^2

I_o = \frac{1}{2}(91.1)(1.61)^2 = 118.1 kg m^2

m_1 = 9.41 kg

r_1 = \frac{4}{5}(1.61) = 1.29 m

m_2 = 21.1 kg

Now from above equation

118.1(1.73) = (118.1 + 9.41(1.29^2) + 21.1(1.61^2))\omega_f

118.1(1.73) = 188.45\omega_f

\omega_f = 1.08 rad/s

8 0
3 years ago
A group of lions is chasing a zebra. The lions are most likely responding to which kind of stimulus
uranmaximum [27]

Answer:

The external stimulus of fear.

Explanation:

The zebras would most likely be scared of the lions, due to the fact that the lions want to eat the zebra. Thus leading to the zebra's running away from the lions.

5 0
3 years ago
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