I don’t understand this question
1 answer:
It's Z.
Without any force acting on it an object travels in a straight line.
In order to bend away from a straight line the object needs a force acting on it.
In order to move along a circle, the force on the object points toward the center of the circle. It's called the centripetal force.
Since the object's direction is changing it has acceleration.
The acceleration points toward the center of the circle.
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<span>sound waves is an example of mechanical waves</span>
Solid because the particles vibrate in place
Answer:
Wherever the slope is increasing or decreasing the sharpest.
Explanation:
In a distance v time graph, the slope is the speed. So the sharper the slope, the faster the object is going.
