Which of these elements has two valence electrons? A.hydrogen B.barium C.nitrogen D.krypton E.bromine
1 answer:
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Answer:
The answer is
<h2>720 Joules</h2>Explanation:
The kinetic energy of a body can be found by using the formula
<h3>where
m is the mass
v is the velocity / speed
From the question
mass = 10 kg
velocity = 12 m/s
Substitute the values into the above formula and solve
That's
<h3>We have the final answer as
<h3>720 Joules</h3>Hope this helps you