C. Their strengths are added
1) If the object changes directions with the same speed, it will be changing its velocity, because velocity is a vector, which depends on both magnitude and direction. Speed is just magnitude regardless of direction.
2) Rotational motion.
Answer:
by standing on the top of cliff
Explanation:
Below is an attachment containing the solution.
Groups probably come in most handy when predicting the properties of an element. Just like people in a family all me share similar traits, elements in the same group on the periodic table also will have similar properties. Going across a period, each element has one more protein and less metallic then it’s predecessor.
