CBSE Class 11-science Answered
A river 100m wide is running downwards at the rate of 1 km per hour and a swimmer who can swim at the rate of 3.6 km/hr wishes to reach a point just opposite. Along which direction should he strike and how long will he take to cross the river?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Let the swimmer swim at an angle θ as shown in the figure to reach the point B directly opposite to A.
Answered by | 04 Jun, 2014, 03:23: PM
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m/s and moves in XY plane with a constant acceleration of 
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(a) At what time is the X-coordinate of the particle 16 m?
(b) What is the Y-coordinate of the particle at that time?Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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