Which example has only potential energy and no kinetic energy?

select one:
a. a roller coaster zooming down a hill
b. a child riding their bike
c. a bird flying from a tree
d. a ball sitting on a shelf

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay