A biker pedals hard for 3 seconds. What is his initial velocity if he accelerated by 4m/s2 until he's going 20m/s. (Which equation should I use?)

A biker pedals hard for 3 seconds What is his initial velocity if he accelerated by 4ms2 until hes going 20ms Which equation should I use class=

Respuesta :

Answer:

answer is option 4

Explanation:

you have to use option 4 because u need to find out initial velocity (Vi)