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Natasha2012 [34]

3 years ago

6

A student claims that the Chernobyl accident proves that nuclear power is on safe for use in the United States which statement i

s the most valid counter argument for this claim

1 answer:

Setler79 [48]3 years ago

5 0

Hi! Check out my valid counter argument below!

"The accident only released harmless gamma rays."

Hope I helped!

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What would the shape of a flag need to be in order to generate a cylinder?

klasskru [66]

<span>In order to generate a cylinder shape we can use a rectangle or square shape object or thing. When a rectangle or square shape paper or material is rolled horizontally it will get a open cylindrical shape. Therefore the shape of the flag can be square or rectangular as usual.</span>

4 0

3 years ago

Use the balanced equation of a nitrogen cycle pathway below to support the conservation of matter and energy.

mojhsa [17]

Explanation :

Given equation

$N_{2} + 8H \rightarrow 2NH_{3} + H_{2}$

This equation is balanced. because the number of reactants is equal to the number of products.

According to conservation of matter and energy,

The conservation of matter and energy states that matter can not create and can not destroy but conserved. we can only change one form to another form of the matter and energy.

So, we can say energy conserved and the ,mass of the system always same over time.

3 0

4 years ago

a rugby player tackles another player. in terms of kinetic energy and work done, why is it more difficult to tackle a heavier pl

matrenka [14]

The weight of the heavier player bakes it a lot harder to push him or do work because of the net force gravity<span />

6 0

4 years ago

Read 2 more answers

In order to cool 1 ton of water at 20°C in an insulated tank, a person pours 140 kg of ice at –5°C into the water. The specific

salantis [7]

Answer:

$T = 6.31 ^0 C$

Explanation:

1 ton = 907.2 kg

so here heat given by water = heat absorbed by the ice

so by energy balance we will have

$Q_1 = Q_2$

$mL + ms\Delta T_1 + ms\Delta T_2 = ms\Delta T_3$

so we have

$140(2.11)(5) + 140(333.7) + 140(4.18)(T) = 907.2(4.18)(20 - T)$

$48195 + 585.2 T = 75841.9 - 3792.1 T$

$T = \frac{27646.92}{4377.3}$

$T = 6.31 ^0 C$

7 0

3 years ago

Please need help on this

kirill115 [55]

The frequency cannot change, as it depends on the source. now, imagine light as a particle, when it's going through glass, which is a denser medium than air, is more tightly packed with particles than air is. think of it this way, will you walk faster in a crowd or on an empty street? going through the empty street (air) there are lesser objects to bump into so what do you think will happen to the speed now?

8 0

3 years ago