<h2>
Hello!</h2>
The answer is:
b. 
<h2>
Why?</h2>
The centripetal acceleration or radial acceleration is present when an object is moving to describe a circular path. The centripetal acceleration is always perpendicular to the direction of the velocity and going inwards and towards the center.
The centripetal acceleration can be calculated using the following equation:
From the statement we know that:
So, calculating we have:
So, the correct answer is:
b.
Have a nice day!
Stem in plants:
Is the movement of material like water and minerals from roots to leaves. And they storage foods.
<span>Scientist rejected Wegener's hypothesis of continental drift at first because he did not have enough evidence to support his theory. He failed to provide a suitable mechanism that could cause the continents to move. </span>
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Hey, There. I believe the answer for this would be, In the center of the Sun hydrogen is being changed over into helium. This is called nuclear fusion. It takes four hydrogen particles to combine into every helium atom. Amid the process a portion of the mass is changed over into energy.
