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2 years ago

Which chemical equation is balanced?

Physics

2 answers:

kifflom [539]2 years ago

8 0

The answer to this equation is c

nika2105 [10]2 years ago

6 0

Answer:

Explanation:

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While going 60 mph, how many feet will it take you to stop?

sergiy2304 [10]

While you are going 60 mph, it will take approximately 180 feet to stop, A is the correct choice. I know some of the question is missing, so I researched it and found the correct answer.

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2 years ago

A phase diagram assumes______

PtichkaEL [24]

Choice D, pressure.

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2 years ago

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You are an industrial engineer with a shipping company. As part of the package- handling system, a small box with mass 1.60 kg i

Kisachek [45]

Answer:

v = 0.84m/s, v(max)= 0.997m/s

Explanation:

Initial work done by the spring, where c is the compression = 0.28m:

$W_s = \frac{1}{2}kc^2$

Work lost to friction:

$W_f =\mu mg(c-x)$

Energy:

$E = W_s-W_f=\frac{1}{2}kc^2 -\mu mg(c-x)=\frac{1}{2}mv^2+\frac{1}{2}kx^2$

(a) Solve for v:

$v=\sqrt{\frac{k}{m}(c^2-x^2)-2\mu g(c-x)}$

(b) Solve $\frac{dv}{dx}=0$ for x:

$\frac{dv}{dx}=\frac{\mu g-\frac{k}{m}x}{\sqrt{\frac{k}{m}(c^2-x^2)-2\mu g(c-x)}}$

$\frac{dv}{dx}=0$ if:

$\mu g-\frac{k}{m}x = 0$

$x_{max} = \frac{\mu gm}{k}$

$v_{max}=\sqrt{\frac{k}{m}c^2-2\mu gc+(\mu g)^2\frac{m}{k}}$

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3 years ago

How are acceleration and speed related

Gre4nikov [31]

Answer:

Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing. Comment on robshowsides's post “Speed is the magnitude of velocity.

Explanation:

hope it helped tee hee

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3 years ago

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49 = 1/2gt²

BaLLatris [955]

Answer:

e son

Explanation:

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3 years ago