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4 years ago

Define the unit of current

Physics

1 answer:

grandymaker [24]4 years ago

3 0

Answer:

The unit of current is defined as the flow of 1 coulomb of charge in one second

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Why do water molecules tend to stay together and hold their shape? Name and explain the phenomenon by which this happens

vekshin1

Answer:

because liquid and solid states of water possesses intermolecular force of attraction which held the molecules of water in fixed

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3 years ago

In a collision experiment, the ratio of the velocity change between two carts of equal inertia is found to equal 1.

VashaNatasha [74]

Answer:

A) Therefore if I double the masses with are in the two terrine they are simplified and the radii of the speeds remain the same

B) If the masses are maintained and the speeds are doubled, the radius of the two speeds remains the same

Explanation:

A vehicle crash problem must be solved with the equation of the moment,

Initial instant Before crash

p₀ = m v₁ + mv₂

After the crash

$p_{f}$ = m $v_{1f}$ + m $v_{2f}$

p₀ = $p_{f}$

If the speed ratio before and after the crash is one

p₀ / $p_{f}$ = 1

We can assume that initially one of the cars was stopped

m v₁₀ = m $v_{2f}$

v₁₀ = $v_{2f}$

For the two speeds to be equal, the masses of the vehicles must be the same.

A) Therefore if I double the masses with are in the two terrine they are simplified and the radii of the speeds remain the same

B) If the masses are maintained and the speeds are doubled, the radius of the two speeds remains the same

5 0

3 years ago

If the period of a simple pendulum is T and you increase its length so that it is 4 times longer, what will the new period be?

goldfiish [28.3K]

Answer:

T' = 2T

Explanation:

The time period of a simple pendulum is given by the relation as follows :

$T=2\pi \sqrt{\dfrac{l}{g}}$

l is length of the pendulum

g is acceleration due to gravity

If the length is increased four time, new length is l' = 4l

So,

New time period is :

$T'=2\pi \sqrt{\dfrac{l'}{g}}\\\\T'=2\pi \sqrt{\dfrac{4l}{g}}\\\\T'=2\times 2\pi \sqrt{\dfrac{l}{g}}\\\\T'=2\times T$

So, the new time period is 2 times of the initial time period.

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3 years ago

Suppose you sketch a model of an atom using the ones here as a guide. How would you build a model that is ionized? How would you

kap26 [50]

Answer:

Explanation:

An atom is constructed of three different particles known as electrons, protons and neutrons.

These particles have different mass and charges and are responsible for various characters than an atom posses.

An electron has a negative charge, a proton has positive charge and charge of neutron is neutral. Equal number of electrons and protons are present in an atom that make it electrically neutral but different conditions can occur if we remove these particles from an atom.

1 : Model of an ionized atom - an ionized atom is one which has some net charge on this. It can be either a positive charge or a negative charge.

If we need to sketch the model of an ionized atom then one should either keep the number of electrons less or proton.

2: Model of radioactive atom : A radioactive atom is one an unstable atom and has access of energy in its center. It can be caused by adding either neutrons or protons.

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3 years ago

Which statement is part of the principle of conservation of charge?

fgiga [73]

It is D. An object can acquire a net charge only when charges are transferred to or from it.

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3 years ago

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Define the unit of current​

Define the unit of current