A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip?

a. 2.50 m/s to the south

b. 2.27 m/s to the north

c. 2.50 m/s to the north

d. 0.0 m/s

Question

Mathematics

Travis Hendricks

25 May, 05:05

A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip?

a. 2.50 m/s to the south

b. 2.27 m/s to the north

c. 2.50 m/s to the north

d. 0.0 m/s

+2

Answers (1)

Know the Answer?

Ali Rasmussen · Answer 1

v1 = distance / time

= 30.0 m/15.0s

=2m/s

v2=30m/19

v2=1.57

total distance

= 2*30 meters total time

= 15 + 19 seconds

Velocity = (final distance - initial distance) / time = (0-0) / (15+19) = 0

A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip?a. 2.50 m/s to the southb. 2.27 m/s to the northc. 2.50 m/s to the northd. 0.0 m/s

A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip?

a. 2.50 m/s to the south

b. 2.27 m/s to the north

c. 2.50 m/s to the north

d. 0.0 m/s