A reference point is a point with respect to which one comes to know whether any movement has occurred or not. A still point is required. When the object changes distance from that point, it means that object has moved. The distance can be calculated from one point to another.

Therefore, A reference point is used to establish a point from which future distance or if movement has occurred is detected.

6 0

4 years ago

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A boy throws a tell ball straight up . disregarding any effects of air resistance, the forces acting 9n the ball untill it retur

Drupady [299]

Well in my opinion I think that is called gravity but I’m no expert.

3 0

3 years ago

Elaborate . on what can be learned about the properties by the location of element on the periodic table . Use atomic number 13

soldier1979 [14.2K]

Aluminum is a type of metal and that is a properties by the location of element