Aball moves in a circle at the end of a string, as shown. which arrow represents the centripetal force responsible for this motion? w x y z

Arrow Y represents centripetal force.

Solution:

Centripetal force is the force acting in a circular motion, it is directed towards the center.

In the above diagram only arrow Y represent directions of force towards the center, So Y represents centripetal force.

which statement about this sum is true? −245+2.7

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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