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3 years ago

Define nortons theorem

Physics

1 answer:

Andrei [34K]3 years ago

8 0

Answer:

<em><u>In direct-current circuit theory, Norton's theorem is a simplification that can be applied to networks made of linear time-invariant resistances, voltage sources, and current sources. At a pair of terminals of the network, it can be replaced by a current source and a single resistor in parallel.</u></em>

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A pool ball of 0.17 kg moves at 10 m/s and strikes a stationary ball (at rest) also at 0.17 kg.

Elenna [48]

The final velocity of the second ball is +10 m/s

Explanation:

We can solve this problem by using the principle of conservation of momentum. In fact, the total momentum of the system must be conserved before and after the collision, so we can write:

$p_i = p_f\\m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2$

where:

$m_1 = 0.17 kg$ is the mass of the first ball

$u_1 = 10 m/s$ is the initial velocity of the first ball (we take its direction as positive direction)

$v_1 = 0$ is the final velocity of the first ball

$m_2 = 0.17 kg$ is the mass of the second ball

$u_2 = 0$ is the initial velocity of the second ball

$v_2$ is the final velocity of the second ball

Re-arranging the equation and substituting the values, we find:

$v_2 = \frac{m_1 u_1}{m_2}=\frac{(0.17)(10)}{0.17}=10 m/s$

And since the sign is positive, the direction is the same as the initial direction of the first ball.

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4 years ago

If the distance between the first order maximum and the tenth order maximum of a double-slit pattern is 18 mm and the slits are

Setler79 [48]

Answer:

Wavelength of light is 600 nm

Explanation:

Given

Distance between the first order maximum and the tenth order maximum of a double-slit pattern = 18 mm

Separation between the slits = 0.15 mm

Distance of screen from the slits = 50 cm

Wavelength

$= \frac{18*10^{-3} * 0.15 *10^{-3}}{0.50*9} \\= 6 *10^{-7}\\= 600$ nm

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3 years ago

Which of the following metals reacts with oxygen and acids but is not very reactive with water?

Lina20 [59]

Calcium is reactive with oxygen, acid, and water. Copper is not reactive with water as well as with acids, whereas magnesium is reactive with acid but reactive with water.

<h3>What is a Chemical Reaction?</h3>

One or more chemicals (the reactants) are changed into one or more other compounds during a chemical reaction (the products).Substances are made up of chemical components or chemical elements.

Each calcium atom donates a pair of electrons to an oxygen atom during the interaction between calcium and oxygen to create calcium oxide.

When calcium reacts with hydrochloric acid, it releases bubbles of hydrogen gas, and when large chunks of calcium react with hydrochloric acid, it releases hydrogen gas. Calcium in reaction with water produces calcium hydroxide and hydrogen gas

When magnesium and oxygen interact, they produce light that is so strong that it temporarily impairs your vision. Magnesium burns so brilliantly because it produces a lot of heat while doing so.

Magnesium reacts with hot water or water vapor to produce hydrogen gas and magnesium hydroxide.

Acid does not react with copper. Metals such as lead, copper, silver, and gold do not react with water at all.

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2 years ago

You release a pendulum of mass 1 kg from a height of 0.75 m. If there is no air resistance, how fast is the pendulum going when

puteri [66]

Explanation:

PE = KE

mgh = ½ mv²

v = √(2gh)

v = √(2 × 9.8 m/s² × 0.75 m)

v = 3.83 m/s

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4 years ago

Select the statement that best describes how the forces relate. A. All forces begin equally and become varied. B. The object on

g100num [7]

Electromagnetic and Gravitational forces are most alike because their range is not limited.

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4 years ago

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Define nortons theorem​

Define nortons theorem