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Arada [10]
4 years ago
14

A dog that is soaking wet will typically shake its body rapidly to remove water from its fur. Which of the following is the best

explanation for this
Physics
2 answers:
Wewaii [24]4 years ago
8 0
The dog shakes to get the water off of him and to get dry. These fast movements replicate when we drain the water out of our hair and when we blow dry our hair.
pochemuha4 years ago
6 0

Answer:

D. The force of shaking back and forth is the action and th force pushing the water from the dogs fur is the reaction

Explanation:

When we see the wet dogs shaking, everything happens so fast that we have the impression that the animal's entire body is making movements that we can't quite understand. However, it is only their skin and hair that are really moving. The movement of the dog at that moment creates a stirring force that pushes water from the dog's skin and fur.

With that shake that is cute to see, in just 4 seconds wet dogs can get rid of about 70% of the water that is in their hair.

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When electric current is flowing in a metal, the electrons are movinga. at nearly the speed of light.b. at the speed of sound in
yaroslaw [1]

Answer:

Option (d)

Explanation:

The electrons in a conductor moves with the drift velocity when the electric current is flowing through the conductor.

The drift velocity is due to the applied electric field across the conductor.

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As computer information technology becomes faster, how does the ability of scientists to collect and organize data change?
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4 years ago
Sedimentary rock formation occurs when igneous, metamorphic, or other sedimentary rocks are exposed to the unyielding forces of
tekilochka [14]

Chemical weathering because it used examples of it such as acidic rain and  oxidation. Plus they use chemical a few times too.

4 0
4 years ago
Read 2 more answers
8. In the billiard ball room at the basement of Memorial Union, two identical balls are traveling toward each other along a stra
mel-nik [20]

Answer:

- Ball 1 will move backward at 7.89 m/s

- Ball 2 will move forward at 4.67 m/s

Explanation:

In an elastic collision, both the total momentum and the total kinetic energy of the system are conserved.

The conservation of the momentum can be written as:

m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2

where

m_1 is the mass of ball 1

m_2 is the mass of ball 2

u_1 is the initial  velocity of ball 1

u_2 is the initial velocity of ball 2

v_1 is the final velocity of ball 1

v_2 is the final velocity of ball 2

The conservation of kinetic energy can be written as

\frac{1}{2}m_1 u_2^2 + \frac{1}{2}m_2 u_2^2 = \frac{1}{2}m_1 v_1^2 + \frac{1}{2}m_2 v_2^2

Working together the two equations, it is possible to find two expressions for the final velocities in terms of the initial velocities:

v_1=\frac{m_1 -m_2}{m_1 +m_2}u_1+\frac{2m_2}{m_1+m_2}u_2\\v_2=\frac{2m_1}{m_1+m_2}u_1 -\frac{m_1 -m_2}{m_1 +m_2}u_2

In this problem we have:

m_1 = m_2 = m since the mass of the two balls is identical

u_1=+4.67 m/s is the initial velocity of ball 1

u_2=-7.89 m/s is the initial velocity of ball 2

Substituting into the equations, we find the final velocities:

v_1=\frac{2m}{m+m}u_2=u_2 =-7.89 m/s\\v_2=\frac{2m}{m+m}u_1=u_1=+4.67 m/s

Therefore:

- Ball 1 will move backward at 7.89 m/s

- Ball 2 will move forward at 4.67 m/s

7 0
3 years ago
new york, Vermont, Massachusetts are specifically what region of the united states? and what two wind directions do you combine?
Snowcat [4.5K]

Answer:

if you mean the regions during slavery, North, but if in general, East. (think East Coast)

3 0
3 years ago
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