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Temka [501]
3 years ago
9

Describe the characteristics of the water at the mountain source:

Physics
2 answers:
Anton [14]3 years ago
7 0
Speed: fastness of water falling
Temperature: hotness of water
Oxygen Level: bubbles in water
Nutrient Level: water is a vital nutrient
IgorLugansk [536]3 years ago
5 0

The characteristics of the water at the mountain source will be as follows:

- Speed; the speed will be bigger, and this due to the bigger fall through which the water passes down the mountain's steep slopes.

- Temperature; the temperature will be lower, and this is due to the lesser influence of the sun on the water, both, because of its speed, and because of the shade from the forest (assuming there's a forest on the mountain).

- Oxygen level; the oxygen level will be big, because the water in this part is the purest, and doesn't have debris in it, or it has it very small amounts.

- Nutrient level; the nutrient level will be relatively low, because the water is cold and quick, as well as steep, there isn't a big chance for large nutrition base to form in that part of the stream.

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Explain how the perfume atomizer works under Bernoulli's principle
ss7ja [257]

Answer:

In an atomizer, or perfume sprayer, you squeeze a rubber bulb to squirt air through a tube. Because of the Bernoulli principle, the air rushing through the tube has a lower pressure than the surrounding atmosphere. ... The perfume is pushed out of the tube and sprays into the air as a fine mist.

Explanation:

4 0
3 years ago
A rock tied to the end of a string moves in a circle at a constant speed of 2.5 m/s and experiences an acceleration of 4.0 m/s.
artcher [175]

The radius of the circular motion at the given speed is 1.56 m.

The given parameters;

  • <em>speed of the rock, v = 2.5 m/s</em>
  • <em>acceleration of the rock, a = 4 m/s²</em>

<em />

The radius of the circular motion is calculated by using centripetal acceleration formula as follows;

a_c = \frac{v^2}{r} \\\\r = \frac{v^2}{a_c} \\\\r = \frac{2.5^2}{4} \\\\r = 1.56 \ m

Thus, the radius of the circular motion at the given speed is 1.56 m.

Learn more about centripetal acceleration here: brainly.com/question/79801

8 0
2 years ago
Car headlights use concave mirrors. There's a concave mirror in the back of the headlight socket, and the actual light bulb is p
katen-ka-za [31]

Answer:

At the focus

Explanation:

In car head lights concave mirrors are used. The light bulbs in these headlights are place along the principal axis  as shown in the figure. On this Principal axis light bulbs are place at the Focus to get maximum brightness. As from the figure we can conclude that light rays coming from infinity converse at focus thus, giving maximum brightness.

7 0
3 years ago
Determine the initial velocity of the ball if it reaches a height of 15 meters.
jasenka [17]

Answer:

the initial velocity of the  ball is 17.14 m/s

Explanation:

Given;

maximum height reached by the ball, h = 15 m

let the initial velocity of the ball = u

at maximum height, the final velocity of the ball is zero, v = 0

The initial velocity of the ball is calculated by using the following upward motion kinematic equation;

v² = u² - 2gh

0 = u² - 2(9.8 x 15)

u² = 294

u = √294

u = 17.14 m/s

Therefore, the initial velocity of the  ball is 17.14 m/s

4 0
3 years ago
Denis throws a ball downward at an initial speed of 15 m/s from the top of a cliff. (a)
Gennadij [26K]

Answer:

Multiply the time by the acceleration due to gravity to find the velocity when the object hits the ground. If it takes 9.9 seconds for the object to hit the ground, its velocity is (1.01 s)*(9.8 m/s^2), or 9.9 m/s.

Explanation:really sorry if it wrong,i mean reallyyyyy

4 0
3 years ago
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