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Mumz [18]
3 years ago
10

Most split-brain surgeries are preformed on ___________. A. neurology patients B. intractable epilepsy patients C. abnormal psyc

h patients D. college students
Physics
2 answers:
Alexandra [31]3 years ago
7 0
B. Intractable epilepsy patients
ivanzaharov [21]3 years ago
6 0

Answer: B. intractable epilepsy patients

Explanation:

Most split-brain surgeries are performed on intractable epilepsy patients. The corpus callosotomy is a treatment procedure in which the corpus callosum of the brain is cut so as the prevent the epileptic activity in the two hemispheres of the brain.

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Air conditioners sold in the United States are given a seasonal energy-efficiency ratio (SEER) rating that consumers can use to
amid [387]

Answer:

112.58

Explanation:

The Coefficient of Performance of any system is denoted by COP=Q/W, where Q is the useful heat supplied or removed and W is the work required by the system. According to the first law of thermoddynamics Qh= Qc + W, where Qh is the heat transfered to the hot reservoir and Qc is the heat collected from the cold reservoir. Substituting the values for W and apllying the limitation for maximum theoretical efficiency we end up with the eqution shown below.

The Coefficient of Performance of air conditioner or COP is denoted by

COP(cool) = Tc/(Th- Tc)

where Tc: the lowest temperature

           Th: the highest temperature

converting the values to Kelvin and adding them in the above equation

COP(cool) = (25+273)/((34+273)-(25+273))

                 = 298/(307-298)

                 = 298/9 = 33.11

From the question, it is stated that COP=SEER/3.4

hence, SEER= COP * 3.4

SEER= 33.11 * 3.4 = 112.58

7 0
4 years ago
A housefly walking across a clean surface can accumulate a significant positive or negative charge. In one experiment, the large
Lisa [10]

Answer:

4.56*10^8 \text{    electrons.}

Explanation:

Since the fly accumulated a positive charge of +73pC, it must have lost an equal number of negative charge of -73pC to the surface (because the housefly was neutral to begin with).

Therefore, to answer our question we have to ask ourselves <em>how many electrons combine to make -73pC of charge? </em>

The answer is since one electron carries a charge of -1.6*10^{-19}C, the number n of electrons that make up -73pC (-73*10^{-12}C) are

n= \dfrac{-73*10^{-12}C}{-1.6*10^{-19}C/e}

\boxed{n= 4.56*10^8e.}

Thus, the housefly lost about 456 million electrons to the surface!

4 0
3 years ago
Mass can be expressed in
stich3 [128]

Answer:

mass can be expressed in newtons

3 0
2 years ago
Read 2 more answers
A boat is able to move through still water at 20 m/s. It makes a round trip to a town 10 km upstream. If the river flows at 5m/s
Nataly_w [17]

Answer:

The time required for this round trip is 1066.66 s

Explanation:

Given;

velocity of boat through still water, v₁ = 20 m/s

distance moved by the boat, d = 10 km = 10,000 m

velocity of the river, v₂ = 5 m/s

time = d / v

The boat made two journeys which formed the round trip.

During the first part of the journey, the boat moves upstream in opposite direction to the flow of the river and the resultant velocity is calculated as;

Resultant velocity = 20 - 5 = 15 m/s

Time for this journey, = 10000/ 15 = 666.66 s

During the second part of the journey, the boat moves downstream in the same direction to the flow of the river and the resultant velocity is calculated as;

Resultant velocity = 20 + 5 = 25 m/s

Time for this journey, = 10000/ 25 = 400 s

Total time for the trip = 666.66 s + 400 s = 1066.66 s

7 0
3 years ago
Two uniform cylinders have different masses and different rotational inertias. They simultaneously start from rest at the top of
NARA [144]

Option (E) is correct

Neither (they arrive together)

<u>Explanation:</u>

Neither of the cylinders gets to the bottom first, they both will arrive together. Every object can gain speed with time if it is pushed, it is called the acceleration of that object. It the acceleration that decides which object reaches the bottom first.

Acceleration = I / mr^2.

In the case of both the cylinders, the acceleration will be the same, with the same acceleration they will reach the bottom at the same time.

7 0
3 years ago
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