Question

Derive the formula speed=final velocity+1/2×acceleration×time

Answer 1

Videos
Deriving displacement as a function of time, acceleration, and initial ... [9:58] ( https://www.khanacademy.org/science/physics/one-dimensional-motion/kinematic-formulas/v/deriving-displacement-as-a-function-of-time-acceleration-and-initial-velocity )
Average velocity for constant acceleration (video) | Khan Academy [14:10] ( https://www.khanacademy.org/science/physics/one-dimensional-motion/kinematic-formulas/v/average-velocity-for-constant-acceleration )
Projectile height given time (video) | Khan Academy [8:51] ( https://www.khanacademy.org/science/physics/one-dimensional-motion/kinematic-formulas/v/projectile-height-given-time )