Question

Helppppppppp pp p pp p p p p p p p pp

Answer 1

10) v = u + at

Let North be the positive direction

v = 15 + (-2)(10) = -5 m/s or 5 m/s South

11) Will assume displacement is limited to the period of acceleration.

s = s₀ + v₀t + ½at²

s = 0 + 15(10) + ½(-2)10² = 50 m North

(as result is positive, displacement is North)

12) Assuming the initial velocity is the positive direction.

v² = u² + 2as

0² = 1² + 2(-0.5)s

-1 = -1s

s = 1 m