A train moves east with a speed of 31 m/s. A man on the train walks west

with a speed of 0.7 m/s relative to the train. How long does it take the man to

move 34 m relative to the train?

O A. 1.1 s

O B. 37 s

O C. 255

D. 49 s.

Question

Physics

Sammy Simmons

18 October, 18:34

A train moves east with a speed of 31 m/s. A man on the train walks west

with a speed of 0.7 m/s relative to the train. How long does it take the man to

move 34 m relative to the train?

O A. 1.1 s

O B. 37 s

O C. 255

D. 49 s.

+2

Answers (1)

Know the Answer?

Katie Andrade · Answer 1

Since the man is walking 0.7m/s relative to the train, we can use that speed to determine how long it will take him to move 34m relative to the train. t = d/s, so 34/.7 ≈ 48.57s.

A train moves east with a speed of 31 m/s. A man on the train walks westwith a speed of 0.7 m/s relative to the train. How long does it take the man tomove 34 m relative to the train?O A. 1.1 sO B. 37 sO C. 255D. 49 s.

A train moves east with a speed of 31 m/s. A man on the train walks west

with a speed of 0.7 m/s relative to the train. How long does it take the man to

move 34 m relative to the train?

O A. 1.1 s

O B. 37 s

O C. 255

D. 49 s.