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svet-max [94.6K]
4 years ago
9

A measure of your memory in which you need to pick the correctly learned answer from a displayed list of options is known as a m

easure of
Physics
2 answers:
DaniilM [7]4 years ago
7 0

Answer: Recognition

Explanation:

A measure of your memory in which you need to pick the correctly learned answer from a displayed list of options is known as a measure of recognition. This method is ever useful in investigation

blondinia [14]4 years ago
5 0

Answer:

Recognition

Explanation:

Recognition is a cognitive process that involves a list of options being displayed.

The person involved is then told to make some selections according to the situation and the information / features gathered by the person after the encounter with the individual.

This is a good method in intelligence gathering for investigations and other important issues .

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Even under the most ideal conditions, only about 8% of the internal energy of the steam produced in a steam engine can be conver
Anna71 [15]
As per the law of conservation of energy, no energy is created or destroyed. Therefore, we can conclude that the remaining 92% of energy released in electricity generation from steam power plants is converted to other, non-utilizable forms of energy. Such forms include sound energy or thermal energy between the moving parts of the plant.
8 0
4 years ago
You are standing on the bottom of a lake with your torso above water. Which statement is correct?
marishachu [46]

Answer:

c. There is a buoyant force that is proportional to the volume of your body that is below the level of the water.

Explanation:

Buoyancy can be defined as a force which is created by the water displaced by an object.

Simply stated, buoyancy is directly proportional to the amount of water that is being displaced by an object.

Hence, the greater the amount of water an object displaces; the greater is the force of buoyancy pushing the object up.

The buoyancy of an object is given by the formula;

Fb = pgV

But, \; V = Ah

Hence, \; Fb = pgAh

Where;

Fb = buoyant force of a liquid acting on an object.

g = acceleration due to gravity.

p = density of the liquid.

v = volume of the liquid displaced.

h = height of liquid (water) displaced by an object.

A = surface area of the floating object.

The unit of measurement for buoyancy is Newton (N).

In this scenario, you are standing on the bottom of a lake with your torso above water. Thus, there is a buoyant force that is proportional to the volume of your body that is below the level of the water.

3 0
3 years ago
An infinitely long line of charge has linear charge density 6.00×10−12 C/m . A proton (mass 1.67×10−27 kg,charge +1.60×10−19 C)
Bogdan [553]

Answer:

A) \,K.E=1.405\times 10^{-20}J

B)\,r_f=0.268\,m

Explanation:

Charge\,\,density=\lambda=6\times 10^{-12}C/n\\\\Mass\,\, of \,\,proton=m_p=1.67\times 10^{-27}kg\\\\charge\,\, of\,\, proton=q_p=1.609\times 10^{-19}C\\\\r=12\,cm=0.12\, m\\\\v=4.103\times 10^{3}m/s

A) Initial kinetic energy of proton

K.E=\frac{1}{2}m_pv^2\\\\K.E=1.405\times 10^{-20}J

B) How close does the proton get to the line of charge?

Potential energy and kinetic energy are related as:

K_i+U_i=K_f+U_f\\\\U_f-U_i=K_i-K_f\\\\q(V_f-V_i)=1.40\times 10^{-20}\\\\V_f-V_i=0.087--(1)\\

Change in voltage is

V_f-V_i=\frac{\lambda}{2\pi \epsilon_o}ln\frac{r_f}{r_i}\\\\ln|\frac{r_f}{r_i}|=(0.087)(\frac{2\pi \epsilon_o}{\lambda})\\\\ln|\frac{r_f}{r_i}|==0.8059\\\\\frac{r_f}{r_i}=2.24\\\\r_f=(2.24)(.12)\\\\r_f=0.268 m

5 0
3 years ago
A large negatively charged object is placed on a wooden table. A neutral metallic ball rolls straight towards the object but sto
bazaltina [42]

Answer:

the charge of each small sphere, which is + Q / 2

Explanation:

For this exercise we must use the fact that a charged object induces charges on nearby bodies

Induced charge comes from the fact that charges of the same sign repel and charges of different signs attract.

In this case the large, fixed ball with a -Q charge induces a positive charge in the nearest part and the negative charges are repelled to the furthest point, but the net charge on the metallic sphere remains zero. It should be emphasized that since the charges are of different signs, there is an attractive force between the two spheres.

This first metallic sphere now has a negative charge on the back, this charge induces a positive charge on the second sphere, as the charges are of a different sign, they attract each other, which is why the force is attractive.

When the first sphere stops the second sphere hits it, at this moment the charge of the two spheres is equal, therefore the induced charge in the two spheres is + Q. When the two spheres are separated, the charge on each of them is half, that is, the sphere has a charge + Q / 2 and the second sphere has a charge + Q / 2.

Therefore the first sphere is subjected to two forces: an attractive force with the large sphere of charge -Q and a repulsive force with the second sphere of charge + Q / 2.

 

So the first sphere must approach the big ball and the second sphere must move away from the big sphere.

This is the process of the movement of this exercise, unfortunately the statements with which to compare this process do not appear, but one of the most common questions of what is the charge of each small sphere, which is + Q / 2

4 0
3 years ago
On the moon, which objects would fall with the same acceleration?
I am Lyosha [343]
On a planet/celestial body with gravity, the acceleration of gravity is the same for everything.  Therefore, all three options are correct.

Hope this helps!
6 0
4 years ago
Read 2 more answers
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