A boat moves through the water in a river at a speed of 8 m/s relative to the water.The boat makes a trip downstream and then makes a return trip upstream to the original starting place.Which trip takes longer?
A)the downstream trip
B)the upstream trip
C)Both trips take the same amount of time.
D)The answer cannot be figured without knowing the speed of the river flow.

Question

Quizplus · Accepted Answer

The upstream trip takes longer because the river's flow opposes the boat's motion, effectively reducing its speed relative to the ground.

A Boat Moves Through the Water in a River at a Speed