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3 years ago

A treatment in which an electrical current is applied to the brain is

Physics

2 answers:

qaws [65]3 years ago

5 0

Answer: ECT

Explanation:

ECT is a process in which the patient is treated for the cases of several mental disorders, depression, loss of memory and confusion.

In this process an electric shock is induced to the brain when the anesthesia is given to the patient.The brain impulses are recorded and seen over a monitor screen.

Elza [17]3 years ago

3 0

A treatment in which an electrical current is applied to the brain is;

D. Electroconvulsive therapy

An electric current would be transmitted through the brain without anesthesia through this method. However, there may be side effects of possible seizures or broken bones.

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A certain airport runway of length L allows planes to

PilotLPTM [1.2K]

The length of the new runway In terms of (L) is 4L.

Your question is incomplete, it seems your question is missing the following information below;

"In terms of (L) , what must be the length of the new runway?"

The given parameters;

length of the runway, = L

let the take off speed = V₁

For the newly designed planes;

the take off speed is double of the original = 2V₁

the acceleration for both take is constant = a

The take off speed for the given constant acceleration is given as;

$v^2 = u^2 + 2as\\\\v^2 = 0 + 2as\\\\v^2 = 2as\\\\a = \frac{v^2}{2s} \\\\$

The length of the new runway In terms of (L) is calculated as follows;

$a = \frac{v_1^2}{2s_1} = \frac{v_2^2}{2s_2} \\\\substitute \ the \ corresponding \ values \ for \ initial \ acceleration \ and \ new \\acceleration\\\\\frac{v_1^2}{2L} = \frac{(2v_1)^2}{2s_2}\\\\2s_2v_1^2 = 2L(4v_1^2)\\\\s_2 = \frac{2L(4v_1^2)}{2v_1^2} = \frac{8Lv_1^2}{2v_1^2} = 4L$

Thus, the length of the new runway In terms of (L) is 4L.

Learn more here: brainly.com/question/15206976

3 0

3 years ago

Capillary action in trees can transport water from the roots to the tree's branches. The capillaries (Xyelem) in a certain tree

lesantik [10]

Answer:

$h=14.2857\,m$

Explanation:

Given:

radius of capillary, $r=10^{-6}\,m$

angle of contact, $\theta=0^{\circ}$

density of water, $\rho=1000\,kg.m^{-3}$

surface tension of water, $T=0.07 \,N.m^{-1}$

height, h = ?

We have the equation for the height of meniscus as:

$h=\frac{2T.cos\, \theta}{\rho.g.r}$

$h=\frac{2\times 0.07\times cos\,0^{\circ}}{1000\times 9.8\times 10^{-6}}$

$h=14.2857\,m$

No, the capillary action alone cannot be the mechanism of water transportation to the top of the trees. Transpiration also creates a suction pressure in the xylem complementary to the ascent of sap and cohesion of water being the other causes of movement of water up in the plants.

6 0

3 years ago

Rocky is a good salesperson and made record sales at the car lot. The manager came out to congratulate him and asked how he deve

umka2103 [35]

Answer:

Determinism

Explanation:

Rocky believes in himself and this is not a physics question

4 0

3 years ago

A child picks a ball up from the ground, then places it on a table. The ball rolls on the

crimeas [40]

Answer:

A- The ball has both kinetic and potential energy,

Explanation:

kinetic energy by virtue of its motion.

potential energy by virtue of its position. (It could roll off the edge of the tabel and convert gravity potential energy to kinetic energy)

6 0

3 years ago

What would the single sample Cohen's d value be if the difference in sample mean and hypothesized mean was 16, and the sample st

ELEN [110]

Answer:

Explanation:

To calculate an effect size, called Cohen's d , for the one-sample t-test you need to divide the mean difference by the standard deviation of the difference, as shown below. Note that, here: sd(x-mu) = sd(x) . μ is the theoretical mean against which the mean of our sample is compared (default value is mu = 0).

6 0

3 years ago