3 years ago

Which objects switch places in a double-replacement reaction?

Physics

2 answers:

frozen [14]3 years ago

6 0

Coumpunds because reactants of a double placement reaction don’t have charges

nikklg [1K]3 years ago

5 0

A. compounds because the reactants of a double replacement reaction do not have charges

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Answer:

B can take 0.64 sec for the longest nap .

Explanation:

Given that,

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Distance = 30 m

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Using equation of motion

$s=ut+\dfrac{1}{2}at_{A}^2$

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$t_{A}=\sqrt{\dfrac{30\times2}{1.6}}$

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Using equation of motion

$s=ut+\dfrac{1}{2}at_{B}^2$

Put the value in the equation

$30=0+\dfrac{1}{2}\times2.0\times t_{B}^2$

$t_{B}=\sqrt{\dfrac{30\times2}{2.0}}$

$t_{B}=5.48\ sec$

We need to calculate the time for longest nap

Using formula for difference of time

$t'=t_{A}-t_{B}$

$t'=6.12-5.48$

$t'=0.64\ s$

Hence, B can take 0.64 sec for the longest nap .

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solution

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