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erik [133]
3 years ago
7

Countries create quotas and tariffs to increase the volume of trade with their neighbors.

Physics
2 answers:
Svetach [21]3 years ago
6 0

Oooooo, that statement is not true.  Countries create quotas and tariffs to <em>LIMIT</em> the volume of trade with other countries, including their neighbors.

zimovet [89]3 years ago
3 0

Answer:

False

Explanation:

I took the text :)

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If an object is accelerating at 4 m/s^2 and has a mass of 8 kg, what is the net
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Answer:

The force applied is 32 N

Explanation:

F = ma

F = 8 × 4

F = 32 N

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Which method of testing substances is a sure way to identify a chemical reaction?
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B

Explanation:

That's the answer. Hope it helped!

7 0
2 years ago
Select the correct answer.
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Answer:

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Two balls are thrown from a cliff. One is thrown directly up, the other directly down. Both balls have the same initial speed, a
Otrada [13]

Answer:

both the same

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8 0
3 years ago
An unknown mass of each substance, initially at 25.0 ∘C, absorbs 1920 J of heat. The final temperature is recorded. Find the mas
zhannawk [14.2K]

Answer: mass for Pyrex glass 84.21g

mass for sand 61.6g

mass for ethanol 41.32g

mass for water 62.07g

Explanation

By definition specific heat is the amount of heat required to change the temperature of 1 kg mas by 1°C

Q=mcΔT is formula for specific heat

Q is heat transfer

m is mass

ΔT is change in temperature

c   is specific heat

c of Pyrex glass= 0.75 j/g°C

c of sand = 0.84 j/g°C

c of ethanol= 2.42 j/g°C

c of water = 4.18 j/g°C

now we will make M(mass) the subject, so equation becomes

m=Q/cΔT

for

pyrex glass T<em>f=</em>55.4°C

m=1920/(55.4-25)*0.75

m=84.21g {after cutting J(joules) and °C we are left with g(grams)}

for

sand T<em>f</em>=62.1°C

m=1920/(62.1-25)*0.84

m=61.6g {after cutting J(joules) and °C we are left with g(grams)}

for

ethanol T<em>f</em>=44.2°C

m=1920/(44.2-25)*2.42

m=41.32g  {after cutting J(joules) and °C we are left with g(grams)}

for

water T<em>f=</em>32.4°

m=1920/(32.4-25)*4.18

m=62.07g  {after cutting J(joules) and °C we are left with g(grams)}

i hope you understand the solution, thank you.

7 0
3 years ago
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