Answer:
if i did this right the answer is v= -0.5
Step-by-step explanation:
first you have to substitute the numbers in for the variables
v= u+at turns into v= 2+-5(1/2)
next you multiple -5 by 1/2 to get -.25 so the equation turns into v= 2+-2.5
last you add 2 and -2.5 so v= -0.5
