2 years ago

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Physics

2 answers:

BaLLatris [955]2 years ago

3 0

The part of the electromagnetic spectrum has a shorter wavelength than ultraviolet light is x-rays.

polet [3.4K]2 years ago

3 0

Answer:X rays

Explanation:I just took the test

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The volume of a cylindrical tin can with a top and a bottom is to be 16π cubic inches. If a minimum amount of tin is to be used

sergiy2304 [10]

Answer:

h = 4 in

Explanation:

GIVEN DATA:

volume of tin $= 16 \pi$

we know that

volume of cylinder is $v = \pi r^2 h$

so,

$16 \pi = \pi r^2 h$

$16 = r^2 h$

$r = \sqrt{\frac{16}{h}}$

construct formula for surface area

$S = 2\pi r^2 + 2\pi rh$

$S = \frac{2v}{h} + 2 \sqrt{v \pi h}$

minimize the function wrt h

$S' = \frac{2v}{h^2} + \sqrt{\frac{v \pi}{h} = 0$

solving for h we have

$h = [\frac{4 v}{\pi}]^{1/3}$

we kow $v = 16 \pi$ so

h = 4 in

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2 years ago

What is the volume of 27 g of aluminium?

Scilla [17]

Answer:10cm3

Explanation:Volume Al = (27g Al)/(2.70g/cm3 Al) = 10cm3 Al. So, 27g of Al has a volume of 10cm3. *

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in physics lab, a cube slides down a frictionless incline as shown in the figure below, and elastically strikes another cube at

Tema [17]

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What must exist for the engineering process to begin?

Vlad1618 [11]

Answer:

Explanation:

rzp-yyib-oiv

plèase jóin ón góógle mèèt

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From you getting close to them

Explanation:

Because its big brain time.

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