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3 years ago

Plasticity refers to the

Physics

1 answer:

olasank [31]3 years ago

5 0

the brain's ability to change throughout the lifespan as a result of experience

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How far does a car travel in 90 seconds if it’s traveling 55 m/s? Show equation

podryga [215]

You just said the car is traveling at the speed of 55 m/s. If I understand this correctly, that means the car will cover:

55 meters in the first second,

55 meters in the 2nd second,

55 meters in the 3rd second,

55 meters in the 4th second,

55 meters in the 5th second,

55 meters in the 87th second,

55 meters in the 88th second,

55 meters in the 89th second, and

55 meters in the 90th second.

That's 55 meters 90 times. If you just move these words around a little bit, it says "90 times 55 meters" . . . a pretty simple arithmetic problem.

The equation is . . . Distance = (55 m/s) times (time, in seconds) .

I get 4,953 meters. You should check me on this.

8 0

3 years ago

You and your friends find a rope that hangs down 19m from a high tree branch right at the edge of a river. You find that you can

tangare [24]

Answer:

Explanation:

Given

length of rope $L=19\ m$

velocity while running $v=2\ m/s$

when the person jumps off the bank and hang on the rope then we can treat the person as pendulum with Time period T which is given by

$T=2\pi \sqrt{\frac{L}{g}}$

$T=2\pi \sqrt{\frac{19}{9.8}}$

$T=2\pi \times 1.392$

$T=8.74\ m/s$

Greatest Possible distance will be covered when person reaches the other extreme end of assumed pendulum (velocity=zero)

therefore he must hang on for 0.5 T time

$time=0.5\times 8.74=4.37\ s$

5 0

3 years ago

Yuliya22 [10]

As wavelength increase, frequency decrease

8 0

3 years ago

The point where earthquake movement first occur

Margaret [11]

It’s called the focus of the earthquake

3 0

3 years ago

Which statement about atmospheric pressure is false? a) As air becomes thinner, its density decreases. b) The warmer the air, th

Ganezh [65]

Answer:

The statement about atmospheric pressure that is false is option d) With an increase in altitude, atmospheric pressure increases as well.

Explanation:

Atmospheric pressure as the force exerted by atmospheric air on the earth's surface. The higher the height of the earth's surface with respect to sea level, which is the reference point, the lower the air pressure. In other words, atmospheric pressure decreases in altitude. This is because, the higher the height, the smaller the amount of air present for pressure. For example, on a mountain the amount of air in the highest part is less than that on a beach. This means that there is lower atmospheric pressure at the top.

Although it must be taken into account that the atmospheric pressure does not decrease proportionally in height, due to the high compressibility of the fluid (gas).

At sea level, which is the reference point, atmospheric pressure takes a value in different units of 1 atmosphere, 1013 millibars or 760 mm Hg.

So, the statement about atmospheric pressure that is false is option d) With an increase in altitude, atmospheric pressure increases as well. This is because, as mentioned, with an increase in altitude, the atmospheric pressure decreases.

4 0

3 years ago