Question

An Olympic swimmer trains in a countercurrent river. If his speed in the pool is 2.5 yards/sec, what is his real speed if the river has a speed of 0.78 m/s?

Answer 1

The Olympic swimmer's real speed, taking into account the river's speed, is 1.51 m/s.

Step-by-step explanation:

To calculate the swimmer's real speed, we need to consider the speed of the river as well. Since the question provides the speed of the swimmer in the pool as 2.5 yards/sec and the speed of the river as 0.78 m/s, we need to convert the swimmer's speed to meters per second (m/s). 1 yard is equal to 0.9144 meters, so 2.5 yards is approximately 2.29 meters. Thus, the swimmer's real speed, taking into account the river's speed, is 2.29 m/s - 0.78 m/s = 1.51 m/s.