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3 years ago

How do scientists learn about the brain.

2 answers:

7 0

Mainly looking at scans ansd the levels of hormons and chemicals when we use or brain for example when we use the frontal lobe diffren thsades will appear. our stress levels as well. how we react to things problems situations or questions.

Allushta [10]3 years ago

3 0

By doing scans and dissecting animals (or people who donated their body to science when they die).

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Suppose you are driving a car around in a circle of radius 212 ft, at a velocity which has the constant magnitude of 43 ft/s. A

Elanso [62]

To solve this problem we will apply the concepts related to dynamic equilibrium. The vertical component of the tension is equivalent to the centripetal Force while the horizontal component of the tension is equivalent to the weight, therefore we will have the two equations,

$Tsin\alpha = \frac{mv^2}{r}$

$Tcos\alpha = mg$

Our values are,

$v = 43ft/s = 13.11m/s$

$r = 212ft = 64.62m$

Therefore if we divide both equation we have,

$tan \alpha = \frac{v^2}{rg}$

Replacing,

$tan\alpha = \frac{13.11^2}{(64.62)(9.8)}$

$tan\alpha = 0.2714$

$\alpha = tan^{-1} (0.2714)$

$\alpha = 15.18\°$

Therefore the angle required is 15.18°

6 0

3 years ago

A friend throws a heavy ball toward you while you are standing on smooth ice. You can either catch the ball or deflect it back t

baherus [9]

Answer:

Explanation:

My speed after the interaction will depend upon the impulse the ball will make on me . Now impulse can be expressed as follows

Impulse = change in momentum

change in momentum in the ball will be maximum when the ball bounces back with the same velocity which can be shown as follows

change in momentum = mv - ( - mv ) = 2mv

So when ball is bounced back with same velocity , it suffers greatest impulse from my hand . In return , it reacts with the same impulse on my hand pushing me with greatest impulse according to third law of motion. this maximizes my speed after the interaction.

6 0

2 years ago

Menghitung jisim molekul relatif dan jisim formula relatif

kumpel [21]

Answer:

oh def good it's qiqiowwwjwjjwjwjjs is jsjwjiq is wiiwjwjsje

7 0

2 years ago

PLEASE HELP I NEED THIS TO PASS THE EIGHTH GRADE AND I ONLY HAVE A COUPLE HOURS LEFT!!!!!!

zavuch27 [327]

Answer:

the pe at the top of the building: 784 J

the pe halfway through the fall: 392 J

the pe just before hitting the ground: 784 J

Explanation:

Pls brainliest me

I had this question before

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3 years ago

What does the relationship between the digestive system and other body system tell you about the body's need for homeostasis, th

Nesterboy [21]

The body continuously tries to maintain homeostasis. Therefore, the digestive system eliminate waste from your body along as providing the body with the nutrients needed. It balances out your every meal.

5 0

2 years ago