0 votes
in Physics by (70.0k points)

A particle is projected from point 'A' with velocity u2 at an angle of 45º with the horizontal as shown in the figure. It strikes the inclined plane BC at right angle. The velocity of the particle just before the collision with the inclined is :

(A) √3u/2

(B) u/2

(C) 2u/√3

(D) u

1 Answer

+1 vote
by (71.0k points)
selected by
Best answer

Correct option  (C) 2u/√3


Let the particle strikes the inclined palne BC perpendicularly with a velocity v. Then

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.