Question

An object with a starting velocity of 15 m/s accelerates at 3m/s2 how far does the object travel within 10 seconds

Answer 1

Use the kinematics equation:
d = vt + 1/2at^2.
In this problem,
v = 15 m/s.
a = 3 m/s^2,
t = 10 s,
So:
d = 15(10) + 1/2*(3)*(10^2) = 300 meters