18 Below is some information concerning a moving object:
• The speed between the departure point and point A is 30 m/s.
• The speed between point A and the destination point is 45 m/s.
• The distance travelled is at most 5400 m.
a) Identify the unknowns in this situation,
b) If point A represents the departure point, what is the maximum time the
object travelled?
c) If point A represents the destination point, what is the maximum time the
object travelled?
d) Find the maximum time required by the object to travel the distance between point A
and the destination point given that it took 30 seconds to travel the distance between
the departure point and point A.
K