3 years ago

Which of these statements correctly describes a key difference between aerobic activity and anaerobic activity?

Physics

1 answer:

Digiron [165]3 years ago

3 0

C I think lol but I have to keep typing

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How does hydroelectric energy work

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3 years ago

Increase of greenhouse gases, due to human activity, is melting sea ice at the poles. This causes changes in climate. Which thre

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3 years ago

A particle moves along the curve below. y = sqrt(1 + x^3) As it reaches the point (2, 3), the y-coordinate is increasing at a ra

blagie [28]

Answer:7 cm/s

Explanation:

Given

Particle move along curve

$y=\sqrt{1+x^3}$

As it reaches the (2,3) its y coordinate is increasing at 14 cm/s

Differentiating y w.r.t time

$\frac{\mathrm{d} y}{\mathrm{d} t}=\frac{3x^2}{2\sqrt{1+x^3}}\times \frac{\mathrm{d} x}{\mathrm{d} t}$

Now at (2,3)

$\frac{\mathrm{d} y}{\mathrm{d} t}=\frac{3\cdot 2^2}{2\sqrt{1+2^3}}\times \frac{\mathrm{d} x}{\mathrm{d} t}$

$14=\frac{3\times 4}{2\times \sqrt{9}}\times \frac{\mathrm{d} x}{\mathrm{d} t}$

$\frac{\mathrm{d} x}{\mathrm{d} t}=7 cm/s$

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3 years ago

A convection cell is BEST described as ___.

Helga [31]

D, a loop of moving air

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3 years ago

How many joules of work are done on a box when a force of 25 N pushes it 3 m?

Anika [276]

Answer:

75joules

Explanation:

Workdone = force x distance

workdone = 25 x 3

workdone = 75joules

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3 years ago