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3 years ago

15

A term used to describe water that is safe to drink?

1 answer:

Lera25 [3.4K]3 years ago

8 0

The Safe Drinking Water Act<span> (SDWA) is the federal law that protects public </span>drinking water<span> supplies throughout the nation. Under the SDWA, EPA sets standards for </span>drinking water<span> quality and with its partners implements various technical and financial programs to ensure </span>drinking water<span> safety.</span>

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Answer:

answer is option 4

Explanation:

you have to use option 4 because u need to find out initial velocity (Vi)

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3 years ago

De que color son las mangas del chaleco de bonaparte

beks73 [17]

Chalecos no tienen mangas. Vests don't have sleeves.<span />

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3 years ago

A ball is thrown vertically upward from the top of a building 112 feet tall with an initial velocity of 96 feet per second. The

nordsb [41]

Answer:

$t=6.96s$

Explanation:

From this exercise, our knowable variables are <u>hight and initial velocity </u>

$v_{oy}=96ft/s$

$y_{o}=112ft$

To find how much time does the <u>ball strike the ground</u>, we need to know that the final position of the ball is y=0ft

$y=y_{o}+v_{oy}t+\frac{1}{2}gt^{2}$

$0=112ft+(96ft/s)t-\frac{1}{2}(32.2ft/s^{2})t^{2}$

Solving for t using quadratic formula

$t=\frac{-b±\sqrt{b^{2}-4ac } }{2a}$

$a=-\frac{1}{2} (32.2)\\b=96\\c=112$

$t=-0.999s$ or $t=6.96s$

<u><em>Since time can't be negative the answer is t=6.96s</em></u>

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3 years ago

if a gas has a gage pressure of 156 kpa its absolute pressure is approximately .....A... 56 kPa ....B....100 kPa.......C......25

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3 years ago

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Answer:

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Explanation:

hope this helps u stay safe

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