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what will be approximate change in velocity by the tip of seconds hand of wall clock in 10s if length of the hand is 10cm
what will be approximate change in velocity by the tip of seconds hand of wall clock in 10s if length of the hand is 10cm


3 years ago

aman
11 Points
							v = wr [ where w is angular velocity and r is length of second hand]and w = 2$\pi$/T [ where T is time period of second hand which is 60 mins so there forw =$\pi$/30so v =$\pi$/30 × 10/100 =  $\pi$/300 m/snow $\Delta$v =$\sqrt{}$v2 + v2 _2v2cos60   =   $\pi$/300 m/s

3 years 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