Answer:
Step-by-step explanation:
Apply the Pythagorean Theorem: hyp² = 7² + (-4)² = 49 + 16 = 65.
The magnitude of this vector <7, -4> is 8.1, to the nearest tenth.
20%
The friction that the car usually uses to stop(a rough and hard ground) was null and void, so the car spun uncontrollably.
