0

Guest

Courses New

Two cars A and B approach a road crossing with 5m per sec and 10m per sec if angle between roads is 60 degree the relative speed of car A wrt car B is

Two cars A and B approach a road crossing with 5m per sec and 10m per sec if angle between roads is 60 degree the relative speed of car A wrt car B is

Grade:12th pass

1 Answers

Eshan
askIITians Faculty 2095 Points
4 years ago
Dear student,

Relative velocity of A wrt B is\vec{v_A}-\vec{v_B}

Hence relative speed= magnitude of the relative velocity=\left|\vec{v_A}-\vec{v_B}\right|

=\sqrt{v_A^2+v_B^2+2v_Av_Bcos60^{\circ}}=\sqrt{5^2+10^2+2(5)(10)\dfrac{1}{2}}=\sqrt{175}m/s

Think You Can Provide A Better Answer ?

Other Related Questions on AIIMS MBBS

View all Questions »

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More