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        Plz solve this Plzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzZzzzzzzzzzzzzs
5 months ago

Arun
23013 Points
							Dear Aryan Relative Velocity -Relative velocity of a body, A with respected body B when the to bodies moving at an angle $\Theta$. $V_{AB}= \sqrt{V_{A}^{2}+V_{B}^{2}+2V_{A}V_{B}\cos \left ( 180-\theta \right )}$        $= \sqrt{V_{A}^{2}+V_{B}^{2}-2V_{A}V_{B}\cos \left ( \theta \right )}$ - wherein$\\*V_{A}= velocity\: of\: A\\* V_{B}= velocity\: of\: B\\* \Theta = angle \: between \: A \: and \: B$$\left | \Delta \vec{V} \right |=$$\sqrt{\vec{V}_{1}^{2}+\vec{V}_{2}^{2}+2\vec{V}_{1}\vec{V}_{2}\cos \left ( \pi -\theta \right )}$Since $\left | \vec{V_{1}} \right |=\left | \vec{V_{2}} \right |=\left | V \right |$$\left |\Delta \vec{V} \right |=2 V \: \sin \frac{\Theta }{2}$$=20\: \sin \: 30$$= 10 m/s$

5 months ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions