If a physical change has taken place, which of these is most likely true? Group of answer choices

A permanent change has taken place.

The changed substance retains its unique properties.

Atoms rearrange to form a new substance.

The molecular composition of a substance changes.

are there options? cause you ain’t. real specific

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

+15-35=-20

going in opposite directions