When vectors are added or subtracted, the net force is called the
sum
solution
resultant
vector quantity

Option (3)

Explanation:

The resultant vector is usually defined as a single vector that is obtained from the addition or the subtraction of two distinct vectors. It is widely used in the field of Mathematics and Physics, where this resultant vector denotes the magnitude as well as direction of any physical property such as velocity, force, and are represented graphically.

These resultant vectors along with the other vectors are drawn by using an arrow.

Thus, the correct answer is option (3).

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min