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`        please answer question no. B5 IN DETAIL WITH VECTTOR CONCEPT THANKS`
one year ago

Arun
23325 Points
```							Dear student  vel. of boat w.r.t wind Vbw = -2jvel. of boat w.r.t water current Vbc = -4igiven vel. of boat w.r.t earth(water current + wind): Vb(w+c) = 6i + 8jso, Vb - Vw = -2j                   .............(1)       Vb - Vc = -4i                   .............(2)       Vb - V(w+c) = 6i + 8j     . ............(3)Let vel. of boat alone due to its power is = (ai+bj)From above (1) + (2) -(3) givesVb = -10.(i + j)The magintude of vel. of boat = 14.14 kmphdirection is 45 degrees south west RegardsArun
```
one year 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