Q- describe the direction, speed, and acceleration of an object moving with uniform circular motion. a- an object moving in a circle still wants to move in a straight line. this straight-line motion is always at a tangent to the circle, so the speed of an object moving in a circle is known as tangential speed. in uniform circular motion, the speed remains constant while the direction of the object changes. this means the object experiences an acceleration toward the center of the circle, which is known as centripetal acceleration.

An object moving in a circle wants to move in a straight line.

The motion of an object is tangent to the circle.

Tangential speed remains constant for an object with uniform circular motion.

Only the direction of the object changes, which means velocity is changing and the object is accelerating

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explanation:

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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