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Alex17521 [72]
3 years ago
7

Which of the following WAS NOT a product that the Chinese traded with the Dutch Republic?

Biology
1 answer:
vfiekz [6]3 years ago
6 0
It is letter b.
diamonds
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Why would an athlete have a big pasta dinner the night before a race?
gulaghasi [49]
Because he/she needs to store large quantities of energy that he/she would require for the race. Pasta mainly consists of wheat which a carbohydrate. carbohydrates are primary source of energy in the body. once an athlete consumes pasta, starch in the wheat will digested to produce excess glucose which will be stored in form of glycogen in the live by the help of hormone insulin. during the race day, when an athlete uses all glucose in the blood, glycogen is converted to glucose through the help of hormone glucagon. glucose is transported to skeletal muscle cells where it is converted to energy.  
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5. The organs of the respiratory system include the trachea, the bronchi, the diaphragm, and the ___________________________.
vekshin1
Larynx, Pharynx and lungs
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3 years ago
A car accelerates from 4 meters/second to 16 meters/second in 4 seconds. The car's acceleration is
-BARSIC- [3]

Answer:

3 meter / second square.

Explanation:

The acceleration is defined as change in velocity over a period of time interval. Mathematically it can be written as,

acceleration = change in velocity / time

acceleration =  16- 4 (meters/second) / 4 seconds

acceleration = 12 meters/second / 4 seconds

acceleration =  3 meter / second square.

So the answer shows that the car accelerates 3 meter / second square.

4 0
2 years ago
C. At what height would the pomegranate have the same potential energy as the melon? (1 point)
zvonat [6]

Answer:

Given a set of assumptions which are given below, the height at which the pomegranate will have the same potential energy as the melon is 39.19 meters.

Explanation:

Gravitational Potential Energy refers to the acquired innate energy of an object due to its elevation above the surface of the earth.

This energy is the result of gravitational pull or force acting on the object.

In other to determine at what height a pomegranate and a watermelon will have the same potential energy we need to know the other factors in play.

Gravitational Potential Energy (E<em>p</em>)= <em>mgh</em>

Where m = Mass (kg)

            g  =  gravitational field strength (N/kg)

            h  = height (m)

           E<em>p </em>= gravitational potential energy ( <em>j </em>)

Let us assume that the

  • An average pomegranate weighs about 0.255146Kg
  • An average melon weighs about  10Kg
  • g is always constant at 9.8 N/kg

Note that melons weight much more than pomegranates.

   

So, let's calculate for the E<em>p </em>of the melon at the height of  1 meter

E<em>p</em> = 10 x 9.8 X 1 = 98<em>j</em>  

Using the above assumptions, we do a goal seek using Microsoft Excel. Please see the attached image.

Calculation shows that the Height (h/Meters) at which the E<em>p </em>of both veggies become equal is 39.19m

This can be verified by inserting the figure and multiplying it. It can also be calculated as follows:

That is

E<em>p = 98j</em>

<em>m = </em>0.255146kg

<em>g= 9.8kg</em>

<em>h=  ?</em>

98= 0.255146 x 9.8 x <em>h</em>

98 = 2.5004308<em>h (we divide both sides by </em>2.5004308 to make h the subject matter<em>)</em>

<em>h = 98 / </em>2.5004308

<em>h = 39.1932462198</em>

Which is approximately 39.19

4 0
2 years ago
What do the amplitude and frequency of a sound wave determine?
pychu [463]

Answer:

The larger the amplitude of the waves, the louder the sound. The faster the vibrations, the higher the pitch (frequency) of the sound.

Explanation:

6 0
2 years ago
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