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SVETLANKA909090 [29]
3 years ago
14

Which vector is the sum of vectors a and ? b а O A. B. C.

Physics
1 answer:
seropon [69]3 years ago
5 0

Answer:

i would say D.

Explanation:

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A series RC circuit contains a 1,000 ohm resistor and a 0.025 microfarad capacitor. What is the time constant of this circuit?
stiks02 [169]

The RC time constant, also called tau, the time constant (in seconds) of an RC circuit, is equal to the product of the circuit resistance (in ohms) and the circuit capacitance (in farads), i.e.

\tau = RC

Here,

R = Resistance

C = Capacitance

Replacing we have that

\tau = (1000)(0.025*10^{6})

\tau = 25*10^{-6}

\tau = 25\mu s

Therefore the time constant of this circuit is \tau = 25\mu s

5 0
3 years ago
What are things measured by mass
Free_Kalibri [48]
Anything that is possibly solid or can be contained in a solid

Mass is the amount of matter that is contained in a certain object.
Like
20 kg
10 g
100 lb
6 0
3 years ago
What is the volume of an object that has a mass of 675 g and a density of 15 g/cm3 ?
SpyIntel [72]

Answer:

45

Explanation:

because you divide volume and mass

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
By Ohm's Law, if I have a well working circuit and I swap out the battery for a new battery which has double the Voltage drop, b
svet-max [94.6K]

Answer:

current would double  

Explanation:

According To Ohm's Law, the current in a conducting wire depends on the voltage drop across the two ends of the wire. It can be expressed as:

I ∝ V

⇒ V = I R

where, R is the resistance and proportionality constant.

In the given case, the resistance of the circuit remains same while the voltage drop has increased to twice the initial value by changing the battery. This will the cause the current to double as well from its previous value.

6 0
3 years ago
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