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2 years ago

Please select the word from the list that best fits the definition

Physics

1 answer:

Mandarinka [93]2 years ago

4 0

Black coaches now lead 50% of National Basketball Association teams

It's been a transformative year for the NBA when it comes to diversity within the coaching ranks. In the last 12 months, eight coaching jobs have been filled by Black candidates.

<h3><em>SOOOOO THE ANSWER IS ACRONYMIC SENTENCE IM 99.99% SURE</em></h3>

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A baseball is thrown straight up. the drag force is proportional to v2. part a in terms of g, what is the y-component of the bal

steposvetlana [31]

At the position of terminal speed the net acceleration of the ball will become zero

As we know that terminal speed will always reach when net force on the ball is zero and its speed will become constant.

So here at this position we can say

$F_d = F_g$

$kv^2 = mg$

$v =\sqrt{\frac{mg}{k}}$

now when ball is moving at half of the terminal speed in upward direction then net force on the ball in downwards direction will be

$F_{net} = mg + F_d$

$F_{net} = mg + kv^2$

here speed of the ball is half of the terminal speed

$v = \frac{1}{2}*\sqrt{\frac{mg}{k}}$

then we have

$F_{net} = mg + k*\frac{mg}{4k}$

$F_{net} = \frac{5mg}{4}$

now acceleration will be given as

$a = \frac{F_{net}}{m}$

now we have

$a = \frac{5g}{4}$

$a = 12.25 m/s^2$ downwards

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4 years ago

1. Infer how the height of the lines on a seismograph change with an increase in

SOVA2 [1]

Answer:

his movement is proportional to the intensity of the earthquake,

Explanation:

An earthquake is a record of the intensity of an earthquake as a function of time.

Where the intensity is plotted on the y-axis, which corresponds to the vertical movement of the detector, this movement is proportional to the intensity of the earthquake, therefore the intensity increases the amplitude of the oscillation increases.

And the in x corresponds to time

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3 years ago

The valency of oxygen is 2

iren2701 [21]

Answer:

Yes the valency of oxygen is 2

5 0

3 years ago

Joe is camping in the mountains when a storm suddenly hits. Joe hears the thunder and sees the lightning. A lightning strike sta

svp [43]

Answer:

Hypothalamus

Explanation:

Dealing with a storm is a stressful situation especially when the fire has started in the forest. These multiple signals are processed by hypothalamus that is located in the base of the brain and send the processed information to Pitutary gland that makes primary secretions to activate the renal medulla and a fight-or-flight response to stimuli is generated by rushing the body with energy induced by Adrenaline

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3 years ago

Write an expression for the magnitude of the normal force, fn, acting on the block, in terms of f2 and the other variables of th

mario62 [17]

<span>If the force is fn, then it acting on the block, in the term of f2 and the other variables of the problems. then we assume the surface is rest on it's rigid, then the magnitude of the force is, fn =f2 sin(?) +m g</span>

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4 years ago