Need help plz, thank you

speed

ratio of distance traveled to time interval

net force

vector sum of forces on object

object

source of diverging light rays either luminous or illuminated

don't remove my answer im trying my best to answer them

explanation:

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

option number c is the right answer.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle