2 years ago

How many oxygen (O) atoms are in a molecule of Cg H,O3? A. 1 B. 3 C. 10 D. 4

Physics

1 answer:

nikklg [1K]2 years ago

4 0

Answer:

B. 3

Explanation:

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Answer:

Explanation:

Given

mass of steel ball $m=0.2\ kg$

initial speed of ball $u=10\ m/s$

Final speed of ball $v=-10\ m/s$ (in upward direction)

Impulse imparted is given by change in the momentum of object

therefore impulse J is given by

$J=\Delta P$

$\Delta P=m(v-u)$

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Answer:

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Explanation:

velocity v = 2.2 m/s

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angular velocity

solution

we know that

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now put all these value in equation 1 and we get angular velocity i.e.

angular velocity = velocity ( v) / (displacement² + distance²)

angular velocity = 2.2 / (0.22² + 0.51²)

angular velocity = 2.2 / 0.3085

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I think it’s A not 100% sure

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Answer:

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