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3 years ago

How are the voltage and the current in a closed electrical circuit related? directly, indirectly, comstantly, independently

Physics

2 answers:

yuradex [85]3 years ago

8 0

Answer:

<h3>The voltage and the current in a closed electrical circuit are directly related.</h3>

<h2>HOPE IT HELPS U!!!!</h2>

Nadusha1986 [10]3 years ago

4 0

Answer:

directly

Explanation:

In linear circuits, voltage and current are directly related. In nonlinear circuits, the relationship depends on the nonlinearity. We generally study linear circuits.

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The answer is “Thrown”

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3 years ago

A completely inelastic collision occurs between two balls of wet putty that move directly toward each other along a vertical axi

Marrrta [24]

Answer:

h = 2.64 meters

Explanation:

It is given that,

Mass of one ball, $m_1=3\ kg$

Speed of the first ball, $v_1=20\ m/s$ (upward)

Mass of the other ball, $m_2=2\ kg$

Speed of the other ball, $v_2=-12\ m/s$ (downward)

We know that in an inelastic collision, after the collision, both objects move with one common speed. Let it is given by V. Using the conservation of momentum to find it as :

$V=\dfrac{m_1v_1+m_2v_2}{m_1+m_2}$

$V=\dfrac{3\times 20+2\times (-12)}{3+2}$

V = 7.2 m/s

Let h is the height reached by the combined balls of putty rise above the collision point. Using the conservation of energy as :

$mgh=\dfrac{1}{2}mV^2$

$h=\dfrac{V^2}{2g}$

$h=\dfrac{7.2^2}{2\times 9.8}$

h = 2.64 meters

So, the height reached by the combined mass is 2.64 meters. Hence, this is the required solution.

5 0

3 years ago

what is the energy of a single photon of ultraviolet light with a wavelength of 30.0 nm? 1 nm=10^-9 m

Arada [10]

From the planks equation
E=hv
V= c/ wave length
V= 3×10^8/30×10^-9
=1×10^16
E= hv
6.63×10^-34×1×10^16
= 6.63×10^-18

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<span>B. equal and in opposite directions</span>

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