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3 years ago

Series circuits are characterized by the fact that there is a single pathway by which charge can travel. True or false?

Physics

2 answers:

denis23 [38]3 years ago

7 0

The answer would be true for the charge must go through the whole line.

Ulleksa [173]3 years ago

6 0

I Think Its True My Dude Or Dudette
.
Hope this helps
.
Zane

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You have a pulley 10.4 cm in diameter and with a mass of 2.3 kg. You get to wondering whether the pulley is uniform. That is, is

madreJ [45]

Answer:

Explanation:

Given

Diameter of Pulley=10.4 cm

mass of Pulley(m)=2.3 kg

mass of book $(m_0)=1.7 kg$

height(h)=1 m

time taken=0.64 s

$h=ut+frac{at^2}{2}$

$1=0+\frac{a(0.64)^2}{2}$

$a=4.88 m/s^2and [tex]a=\alpha r$

where $\alpha$ is angular acceleration of pulley

$4.88=\alpha \times 5.2\times 10^{-2}$

$\alpha =93.84 rad/s^2$

And Tension in Rope

$T=m(g-a)$

$T=1.7\times (9.8-4.88)$

T=8.364 N

and Tension will provide Torque

$T\times r=I\cdot \alpha$

$8.364\times 5.2\times 10^{-2}=I\times 93.84$

$I=0.463\times 10^{-2} kg-m^2$

$I_{original}=\frac{mr^2}{2}=0.31\times 10^{-2}kg-m^2$

Thus mass is uniformly distributed or some more towards periphery of Pulley

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3 years ago

If your body is dehydrated, the control center in the brain will stimulate the release of a hormone which causes the reabsorptio

Yanka [14]

Answer:

It is an example of negative feedback mechanism

Explanation:

Negative feedback mechanism is the process by which the output of a system, process or mechanism is fed back into the input in order to reduce the error in the system.

In the system described in this question, the reabsorption of water is the output, a feedback signal is sent to the control center, which is the input in order to control the release of the hormone responsible for reabsorption of water into the blood.

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3 years ago

John and Linda are arguing about the definition of density. John says the density of an object is proportional to itsmass. Linda

NeX [460]

Answer:

They are both correct.

Explanation:

The density of an object is defined as the ratio of its mass to its volume. This implies that the density of the object is both proportional to the mass and also to the volume of the object. John only mentioned mass which is correct. Linda mentioned the second variable on which density depends which is the volume of the object.

Hence considering the both statements objectively, one can say that they are both correct.

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3 years ago

When is a hypothesis developed in the scientific method?

ivanzaharov [21]

Answer:

aren't there pics ?

Explanation:

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3 years ago

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When must scientific theories be changed

madreJ [45]

Answer:

when new information disproving the current theory becomes available.

Explanation:

hope this helps..

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2 years ago