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Alenkinab [10]
4 years ago
8

Students should only talk to friends when struggling to make a decision rather than a parent, teacher, or school counselor. Plea

se select the best answer from the choices provided. T F
Physics
2 answers:
velikii [3]4 years ago
7 0

Answer:

false

Explanation: took quiz

mojhsa [17]4 years ago
3 0
False, some adults will know more than your friends as they are already grown up and may have experienced the problem already
You might be interested in
Yolanda is performing a neutralization reaction using hydrochloric acid and sodium hydroxide. Since both are clear liquids, what
Bad White [126]
I should think that Yolanda should use litmus paper throughout the reaction as its color will tell when the mixture is neutral and therefore then, when she can stop adding either the hydrochloric acid or the sodium hydroxide or if one or the other needs to be added to make the solution approach neutral. Blue litmus paper stays blue in a neutral solution, but will turn red in an acidic solution.
5 0
4 years ago
You push a 22.0 kg box along a rough floor at a constant velocity. The coefficient of kinetic friction between the box and the f
mars1129 [50]
The answer is actually 22.0
3 0
3 years ago
A 17-cm-long microscope has an eyepiece with a focal length of 2.7 cm and an objective with a focal length of 0.35 cm . What is
Marta_Voda [28]

Answer:

Magnification is approximately 7.71

Explanation:

Magnification is the process of enlarging the apparent size of an object. For two lenses in sequence such as in a microscope, the magnification is determined by the ratio of the focal length of the eyepiece lens to the focal length of the objective lens.

The focal length of a lens is the distance between the center of a lens and the point (focal point) where parallel rays converge after passing through the lens.

M = magnification

f_{e} = focal length of eyepiece lens

f_{o} = focal length of objective lens

M = \frac{f_{e}}{f_{o}}

M = \frac{2.7}{0.35}

M = 7.71

8 0
3 years ago
algunas fabricas de balones de futbol ubicadas en la costa inflan los balones que van a ser vendidos en ciudades como pasto,tunj
solmaris [256]

Answer:

Debido al cambio de volumen del gas dentro de la bola cuando se somete a una disminución de la presión y un aumento de la temperatura de la atmósfera.

Explanation:

La ubicación de las fábricas que fabrican las bolas que se encuentra en la costa como se indica en la pregunta es a baja altitud y una región más fría donde la presión atmosférica es más alta

Por lo tanto, la presión en la costa = p₁

La temperatura en la costa = T₁

El volumen de la pelota en la costa = V₁

Las condiciones en una ciudad con mayor altitud y temperatura tienen mayor presión atmosférica y temperatura de la siguiente manera;

La presión en la ciudad = p₂ <p₁

La temperatura en la ciudad = T₂> T₁

El volumen de la pelota en la costa = V₂

Por la ley de gas combinada de tenemos;

\dfrac{p_1 \times V_1}{T_1} = \dfrac{p_2 \times V_2}{T_2}

Allí el volumen de la pelota en la ciudad estará dado por la relación;

V_2 = V_1 \times \dfrac{p_1 }{P_2} \times  \dfrac{ T_2}{T_1 }

Dado que p₁> p₂ y T₂> T₁, entonces p₁/p₂> 1 y T₂/T₁> 1 y tenemos;

V₂ = V₁ × p₁/p₂ × T₂/T₁ = V₁ × X, donde X = p₁/p₂ × T₂/T₁> 1

V₂ = V₁ × X (> 1)

Por lo tanto, V₂> V₁ y el volumen ocupado por el gas aumenta cuando la pelota llega a la ciudad y la pelota está más firme.

7 0
3 years ago
The tip of a nail exerts tremendous pressure when hit by a hammer because it exerts a large force over a small area. What force
yanalaym [24]

Answer:

Force, F = 2714.33 N

Explanation:

It is given that,

Diameter of the circular tip, d = 1.2 mm = 0.0012 m

Radius, r = 0.0006 m

Pressure acting on the hammer, P=2.4\times 10^9\ N/m^2

Let F is the force exerted on a nail. It can be calculated using the definition of pressure exerted. Its formula is given by :

P=\dfrac{F}A}

F=P\times \pi r^2

F=2.4\times 10^9\ N/m^2 \times \pi (0.0006\ m)^2

F = 2714.33 N

So, the force exerted on a nail 2714.33 N. Hence, this is the required solution.

4 0
4 years ago
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