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Colt1911 [192]
3 years ago
11

An ambulance took 2 hours to cover a distance of 10 kilometers. Find its speed.​

Chemistry
2 answers:
bekas [8.4K]3 years ago
7 0

Answer:

5km/hour

Explanation:

2hours = 10km

/2              /2

1 hour = 5km

balandron [24]3 years ago
3 0
<h2><u>Q</u><u>u</u><u>e</u><u>s</u><u>t</u><u>i</u><u>o</u><u>n</u>:-</h2>

An ambulance took 2 hours to cover a distance of 10 kilometers. Find its speed.

<h2><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u>:-</h2>

<h3>Given:-</h3>

Distance = 10 kilometers.

Time = 2 hours.

<h3>To Find:-</h3>

Its speed.

<h2>Solution:-</h2>

We know,

{ \boxed{\bf{\rm \red {Speed \: = \: Distance \: × \: Time}}}}

Speed = 10 kilometers × 2 hours

Speed = 20 km/hr

<h3>Its speed is <u>2</u><u>0</u><u> </u><u>k</u><u>m</u><u>/</u><u>h</u><u>r</u>. [Answer]</h3>
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Calculate the approximate number of atoms in a bacterium, assuming the average mass of an atom is ten times the mass of a hydrog
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Answer: -

The approximate number of atoms in a bacterium is 10¹¹

Explanation: -

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We are told that the mass of a hydrogen atom is 10⁻²⁷ kg.

Finally we learn that the average mass of an atom of the bacterium is ten times the mass of a hydrogen atom.

Mass of an atom of bacterium = 10 x mass of hydrogen atom

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