Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
852 views
in Olympiad by (6.0k points)
closed by
A train is moving at a speed of v = 108 km/h towards a person standing just next to the rails. The train blows a whistle for 7.0 s. What is the time duration for which the whistle is heard by this person? Assume that the train does not reach or cross the person until the end of whistle. Speed of sound in air is 350 m/s.

A. 6.4

B. 7.6

C. 245/38

D. 245/32

1 Answer

+1 vote
by (24.8k points)
selected by
 
Best answer

Correct answer: (A) 6.4

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...