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babunello [35]
2 years ago
13

A long time after the switch is closed, what is the voltage across the capacitor in terms of the supply voltage?

Physics
1 answer:
katrin [286]2 years ago
4 0

A long time after the switch is closed, the voltage across the capacitor in terms of the supply voltage is zero.

<h3>What is a Capacitor?</h3>

In an electric field, a capacitor is a device that stores electrical energy. It has two terminals and is a passive electrical component.

Capacitance refers to a capacitor's effect. While there is some capacitance between any two nearby electrical wires in a circuit, a capacitor is a component made to increase capacitance. The term "condenser" or "condensator" originally applied to the capacitor. Condenser microphones, sometimes known as capacitor microphones, are a remarkable exception to the general lack of usage of this name and its cognates in English.

Practical capacitors come in a wide variety of physical shapes and constructions, and there are numerous varieties that are used often. The majority of capacitors have two or more electrical conductors, frequently in the form of metallic plates or surfaces, spaced between by an insulating material. A conductor can be an electrolyte, thin film, metal bead that has been sintered, or foil. The capacitor's charge capacity is increased by the nonconducting dielectric. Glass, ceramic, plastic film, paper, mica, air, and oxide layers are a few examples of materials that are frequently employed as dielectrics. Many typical electrical gadgets use capacitors in their electrical circuits.

To know more about capacitor, visit:

brainly.com/question/17176550

#SPJ4

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A 1.70 kg block slides on a horizontal, frictionless surface until it encounters a spring with a force constant of 955 N/m. The
Mariana [72]

Answer:

The initial speed of the block is 1.09 m/s

Explanation:

Given;

mass of block, m = 1.7 kg

force constant of the spring, k = 955 N/m

compression of the spring, x = 4.6 cm = 0.046 m

From principle of conservation of energy

kinetic energy of the block = elastic potential energy of the spring

¹/₂mv² = ¹/₂kx²

mv²  = kx²

v = \sqrt{\frac{kx^2}{m} }

where;

v is the initial speed of the block

x is the compression of the spring

v = \sqrt{\frac{955*(0.046)^2}{1.7} } \\\\v = 1.09 \ m/s

Therefore, the initial speed of the block is 1.09 m/s

4 0
3 years ago
1 point<br> How much force is needed to accelerate an 84-kg boulder at a rate of 6.4<br> m/s/s? *
Katen [24]

Answer:

<h2>537.6 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 84 × 6.4

We have the final answer as

<h3>537.6 N</h3>

Hope this helps you

5 0
2 years ago
Which organisms develop gills from pharyngeal arches and later develop lungs to breathe on land
lawyer [7]
Apart from cutaneous respiration<span> present in all </span>species<span>, most lissamphibians are born in an aquatic larval stage with gills. After metamorphosis, they develop lungs to breathe on land. The larvae of urodeles and apods present external, filamentous and highly branched gills which allow them to breathe underwater.
</span>
3 0
3 years ago
Read 2 more answers
In 1995 a research group led by Eric Cornell and Carl Wiemann at the University of Colorado successfully cooled Rubidium atoms t
saveliy_v [14]

Answer:

0.00493 m/s

Explanation:

T = Temperature of the isotope = 85 nK

R = Gas constant = 8.341 J/mol K

M = Molar mass of isotope = 86.91 g/mol

Root Mean Square speed is given by

v_r=\sqrt{\dfrac{3RT}{M}}\\\Rightarrow v_r=\sqrt{\dfrac{3\times 8.314\times 85\times 10^{-9}}{86.91\times 10^{-3}}}\\\Rightarrow v_r=0.00493\ m/s

The Root Mean Square speed is 0.00493 m/s

6 0
3 years ago
&lt;
goblinko [34]

Answer:

Explanation:

initial velocity u = 32.7 m /s

final velocity v = 50.3 m /s

displacement s = 44500 m

acceleration a = ?

v² = u² + 2 a s

50.3² = 32.7² + 2 x a x 44500

2530.09 = 1069.29 + 89000a

a .016 m /s²

time taken t = ?

v = u + at

50.3 = 32.7 + .016 t

t = 1100 s

6 0
2 years ago
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