3 years ago

What method would you use to extract the salt from the salt water mixture?

Physics

1 answer:

disa [49]3 years ago

4 0

Answer:

maybe a strainer possibly but once mixed its rather hard

Explanation:

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A contestants spin a wheel when it is their turn in a game show. One contestant gives the wheel an initial angular speed of 3.40

guajiro [1.7K]

Answer:

4.62 s

Explanation:

We are given that

Initial angular speed, $\omega=3.4 rad/s$

$\theta=1\frac{1}{4} rev=\frac{5}{4}\times 2\pi=2.5\pi rad$

$\omega'=0$

$\omega'^2-\omega^2=2\alpha \theta$

Substitute the values

$0-(3.4)^2=2\times 2.5\pi \alpha$

$\alpha=\frac{-(3.4)^2}{2\times 2.5\pi}=-0.736 rad/s^2$

$\omega'=\omega+\alpha t$

$0=3.4-0.736 t$

$-0.736t=-3.4$

$t=\frac{-3.4}{-0.736}=4.62 s$

Hence, the wheel takes 4.62 s to come to rest.

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3 years ago

Please help !!!!! I’ll give brainliest !

goblinko [34]

I think A but I dont really know

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3 years ago

HELP!!!!!!

NemiM [27]

B. Gabriella is slowing down at the same rate that Kendall is speeding up, and Franklin is not accelerating.

5 0

3 years ago

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How does velocity describe an objects motion?

rjkz [21]

Answer:

Velocity is how fast and in what direction it moves.

Explanation:

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2 years ago

How much force would be needed to cause a 4.6kg object to accelerate at 9.2m/s/s? *

poizon [28]

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 4.6 × 9.2

We have the final answer as

Hope this helps you

5 0

3 years ago