| ⇦ |
| ⇨ |
3 persons are initially at the 3 corners of an equilateral triangle whose side is equal to d. Each person now moves with a uniform speed v in such a way that the first moves directly towards the second and second directly towards the 3rd and 3rd directly towards the first. 3 persons will meet after a time equal to
Options
(a) d/v s
(b) 2d/3v s
(c) 2d/v√3 s
(d) d/v√3 s
Correct Answer:
2d/3v s
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A block of mass m moving at a velocity v collides with another block of mass 2m
- If the minimum energy of photons needed to produce photoelectrons is 3 eV,
- The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
- The refracting angle of a prism is A and refractive index of the material of the prism
- Maximum velocity of the photoelectrons emitted by a metal surface is 1.2×10⁶ ms⁻¹.
Topics: Motion in Straight Line
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A block of mass m moving at a velocity v collides with another block of mass 2m
- If the minimum energy of photons needed to produce photoelectrons is 3 eV,
- The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
- The refracting angle of a prism is A and refractive index of the material of the prism
- Maximum velocity of the photoelectrons emitted by a metal surface is 1.2×10⁶ ms⁻¹.
Topics: Motion in Straight Line (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends

D=UT+1/2AT2
U=0 (GIVEN)
D=1/2AT2
2D/A=T2
V2=U2+2AS (3PERSONS)
(U=0)
(3V)2==2AS
9V2/2D=A
2D/A=T2
2D*2D/9V2==T2
T==2D/3V