Signs of fatigue while driving include a. sore eyes and muscles b. lapses in short-term memory c. sore eyes, sore muscles, and lapses in short-term memory

C. Sore eyes, sore muscles, and lapses in short term memory

Explanation:

Fatigue refers to an overall feeling of tiredness or a lack of energy in accomplishing tasks, e.g. driving.

Causes of fatigue while driving  include;

a lack of quality sleep driving when you would normally be sleeping (overnight) sleep disorders such as sleep apnoea, a sleeping condition that causes tiredness throughout the day.  

Symptoms of fatigue  while driving

Fatigue is easy to detect, with symptoms including:

yawning sore or heavy eyes slower reaction times  due to memory short-term lapsesdaydreaming while driving driving speed creeps up or down impatience impaired driving performance such as poor gear changes stiffness and cramps loss of motivation

Initial speed, v₁ = 15 m/s
Final speed, v₂  = 25 m/s
Duration of the acceleration, t = 4 s

Calculate the acceleration.
a = (v₂ - v₁)/t
   = (25-15 m/s)/(4 s)
   = 2.5 m/s²

2.5 m/s²