Which does a reference point provide? select 2 correct choices.

1-a position from which to measure future distance

2-a set of standard units for measuring displacement

3-a standard method for evaluating variables

4-a method for determining the speed of an object

5-a way to detect an object's motion

The correct answers are 1 and 5

Explanation:

A reference point provides a position from which to measure future distance. This is possible because to measure a distance we must have a reference point at which to take the measurement. In general, any point in space takes as reference the origin of coordinates.

It also serves to detect the movement of an object, since if the distance between the object and the reference point varies, it can be determined that the object is in motion.

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