A 960-M Wide River Flows at 16 M/s as Shown

question 45

Short Answer

A 960-m wide river flows at 16 m/s as shown in the figure. Alice and John have a race in identical boats which each travel 20 m/s in still water. Alice leaves point A and steers so that she goes straight to point B directly across and then back to A. John leaves point A and steers up to point C (960 m upstream)and then returns to A.
(a)Which person arrives back at point A first?
(b)How much sooner than the loser does the winner arrive back at point A?

---

Definitions:

Physiological Component

Refers to the aspects of processes, functions, and activities of living organisms that can be measured and studied.

Cognitive Component

In psychology, the aspect of attitude that involves a person’s beliefs or knowledge about an object, person, or situation.

Behavioural Component

Refers to the observable actions or reactions of an individual in response to external or internal stimuli.

Perceptual Component

An essential part of perception involving the interpretation and organization of sensory information to understand an object or event.