Which of the following will cause acceleration?
a. maintaining constant velocity
b. moving in one direction only
c. the presence of unbalanced forces acting on an object
d. two forces of equal magnitude and opposite directions acting on an object

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.

volts times amps 6 x 0.5 3w

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this