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Zanzabum
3 years ago
10

How is speed calculated? multiply velocity by displacement divide velocity by displacement multiply distance by time divide dist

ance by time
Physics
2 answers:
maria [59]3 years ago
5 0

Answer:

\huge\boxed{Divide\ distance \ by \ time}

Explanation:

Speed = Distance / Time

So, to find distance, we actually divide distance by rime.

Phoenix [80]3 years ago
4 0

Answer:

\large \boxed{\mathrm{divide \ distance \ by \ time}}

Explanation:

Using the formula to calculate speed:

\displaystyle \sf speed =\frac{distance}{time}

We divide the distance by the time taken to get the average speed.

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yield, weigh of the object on neptune is 1.13×15=17.04kg
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<em>a</em> NH₄NO₃   ⇒   <em>b</em> N₂ + <em>c</em> O₂ + <em>d</em> H₂O

where <em>a</em>, <em>b</em>, <em>c</em>, and <em>d</em> are unknown constants.

Count how many times each element appears on either side of the reaction.

• reactants:

N = 2<em>a</em>, H = 4<em>a</em>, O = 3<em>a</em>

• products

N = 2<em>b</em>, O = 2<em>c</em> + <em>d</em>, H = 2<em>d</em>

<em />

Now we solve the system of equations,

2<em>a</em> = 2<em>b</em> … … … [1]

4<em>a</em> = 2<em>d</em> … … … [2]

3<em>a</em> = 2<em>c</em> + <em>d</em> … … … [3]

<em />

From [1] we immediately have

<em>a</em> = <em>b</em>

In [2], we get

2<em>a</em> = <em>d</em>

and substituting for <em>d</em> in [3] gives

3<em>a</em> = 2<em>c</em> + 2<em>a</em>

<em>a</em> = 2<em>c</em>

<em />

Let <em>c</em> = 1; then

• <em>a</em> = 2×1 = 2

• <em>b</em> = 2

• <em>d</em> = 2×2 = 4

So, the balanced reaction is

2 NH₄NO₃   ⇒   2 N₂ + O₂ + 4 H₂O

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Answer:

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ZanzabumX [31]

Answer:

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