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Vitek1552 [10]
3 years ago
9

State and explain the properties of metals​

Physics
1 answer:
Ad libitum [116K]3 years ago
8 0

Answer:The properties of metals are described below;

Explanation:

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A traffic expert wants to estimate the maximum number of cars that can safely travel on a particular road at a given speed. He a
galben [10]

Answer:

<em>Speed s= 19</em>

<u>Explanation:</u>

Take note of the following parameters:

Speed= s,

Number of cars= N,

Number N of cars that can pass a given spot per minute=

N(s)=88s/16+16(s19)2

The principle of differentiation is  here:

We let N(s) = N

N = 86s / (17 + 17((s/19)^2))

17N = 86s /(1 + s²/19²)

17N = 361* 86s /(361 + s²)

17N = 31046s /(361 + s²)

Next step;

Differentiate with respect to s

17N = 31046s /(361 + s²)

Remember the quotient rule [u/v]’ = (vu’ - uv’) / v²

Therefore,

u = 31046s =====> du/ds = u’ = 31046

v = (361 + s²) ====>dv/ds = v’ = 2s

17N = 31046s /(361 + s²)

17 dN/ds = ( 31046(361 + s²) - 31046s(2s) ) / (361 + s²)²

The maximum when dN/ds = 0

17 dN/ds = ( 31046(361 + s²) - 31046s(2s) ) / (361 + s²)²

17 * 0 = ( 31046(361 + s²) - 31046s(2s) ) / (361 + s²)²

( 31046(361 + s²) - 31046s(2s) ) = 0

31046 [ (361 + s²) - 2s² ] = 0

31046 (361 - s²) = 0

(361 - s²) = 0

(19 - s)(19 + s) = 0

either s = -19 or s = 19, but s > 0

s = 19

4 0
3 years ago
I know nothing help me please ​
maxonik [38]

Answer:

have you ever feel like a plastic bag

Explanation:

Do you ever feel like a plastic bag

Drifting through the wind

Wanting to start again?

Do you ever feel, feel so paper-thin

Like a house of cards, one blow from caving in?

Do you ever feel already buried deep

Six feet under screams but no one seems to hear a thing

Do you know that there's still a chance for you

'Cause there's a spark in you?

You just gotta ignite the light and let it shine

Just own the night like the 4th of July

'Cause, baby, you're a firework

Come on, show 'em what you're worth

Make 'em go, "Ah, ah, ah"

As you shoot across the sky

Baby, you're a firework

Come on, let your colors burst

Make 'em go, "Ah, ah, ah"

You're gonna leave 'em all in awe, awe, awe

You don't have to feel like a wasted space

You're original, cannot be replaced

If you only knew what the future holds

After a hurricane comes a rainbow

Maybe a reason why all the doors are closed

So you could open one that leads you to the perfect road

Like a lightning bolt your heart will glow

And when it's time you'll know

You just gotta ignite the light and let it shine

Just own the night like the 4th of July

'Cause, baby, you're a firework

Come on, show 'em what you're worth

Make 'em go, "Ah, ah, ah"

As you shoot across the sky

Baby, you're a firework

Come on, let your colors burst

Make 'em go, "Ah, ah, ah"

You're gonna leave 'em all in awe, awe, awe

Boom, boom, boom

Even brighter than the moon, moon, moon

It's always been inside of you, you, you

And now it's time to let it through, -ough, -ough

'Cause, baby, you're a firework

Come on, show 'em what you're worth

Make 'em go, "Ah, ah, ah"

As you shoot across the sky

Baby, you're a firework

Come on, let your colors burst

Make 'em go, "Ah, ah, ah"

You're gonna leave 'em all in awe, awe, awe

Boom, boom, boom

Even brighter than the moon, moon, moon

Boom, boom, boom

Even brighter than the moon, moon, moon

Do you ever feel like a plastic bag

Drifting through the wind

Wanting to start again?

Do you ever feel, feel so paper-thin

Like a house of cards, one blow from caving in?

Do you ever feel already buried deep

Six feet under screams but no one seems to hear a thing

Do you know that there's still a chance for you

'Cause there's a spark in you?

You just gotta ignite the light and let it shine

Just own the night like the 4th of July

'Cause, baby, you're a firework

Come on, show 'em what you're worth

Make 'em go, "Ah, ah, ah"

As you shoot across the sky

Baby, you're a firework

Come on, let your colors burst

Make 'em go, "Ah, ah, ah"

You're gonna leave 'em all in awe, awe, awe

You don't have to feel like a wasted space

You're original, cannot be replaced

If you only knew what the future holds

After a hurricane comes a rainbow

Maybe a reason why all the doors are closed

So you could open one that leads you to the perfect road

Like a lightning bolt your heart will glow

And when it's time you'll know

You just gotta ignite the light and let it shine

Just own the night like the 4th of July

'Cause, baby, you're a firework

Come on, show 'em what you're worth

Make 'em go, "Ah, ah, ah"

As you shoot across the sky

Baby, you're a firework

Come on, let your colors burst

Make 'em go, "Ah, ah, ah"

You're gonna leave 'em all in awe, awe, awe

Boom, boom, boom

Even brighter than the moon, moon, moon

It's always been inside of you, you, you

And now it's time to let it through, -ough, -ough

'Cause, baby, you're a firework

Come on, show 'em what you're worth

Make 'em go, "Ah, ah, ah"

As you shoot across the sky

Baby, you're a firework

Come on, let your colors burst

Make 'em go, "Ah, ah, ah"

You're gonna leave 'em all in awe, awe, awe

Boom, boom, boom

Even brighter than the moon, moon, moon

Boom, boom, boom

Even brighter than the moon, moon, moon

4 0
3 years ago
Select the correct answer. You travel in a circle, whose circumference is 8 kilometers, at an average speed of 8 kilometers/hour
BlackZzzverrR [31]

Answer:

Since velocity is a vector quantity there is no net displacement and the average velocity is zero

(A) is correct

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Fill in the blank(s):
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Answer:

Nuclear pores

Explanation:

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A track coach measures the 100-meter time of a track athlete. The runner completes the distance in 11.5 seconds. If the stopwatc
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Answer:11.5 s plus or minus 0.196 s

Explanation:

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