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harkovskaia [24]
2 years ago
8

Using the name of the ionic compound, select the appropriate chemical formula. Use the periodic table

Chemistry
2 answers:
Nata [24]2 years ago
7 0

Answer:

A

Explanation:

Abcd

Slav-nsk [51]2 years ago
7 0

Answer: all i know is that its A

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A 2.3 kg object has 15 ) of kinetic energy. Calculate its speed.
chubhunter [2.5K]

Answer:

<h3>The answer is option D</h3>

Explanation:

To find the speed given the kinetic energy and mass we use the formula

v =  \sqrt{ \frac{2KE}{m} }  \\

where

m is the mass

v is the speed

From the question

KE = 15 J

m = 2.3 kg

We have

v =  \sqrt{ \frac{2 \times 15}{2.3} }  =  \sqrt{ \frac{30}{2.3} }  \\  = 3.61157559...

We have the final answer as

<h3>3.6 m/s</h3>

Hope this helps you

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