A 150 N boulder is sitting on the edge of a cliff. The cliff is 90 m high. What is the potential energy of the boulder?

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle