First slide

Projection Under uniform Acceleration

Question

The velocity of water in a river is 2 kmph, while width is 400 m. A boat is rowed from a point rowing always aiming opposite point at 8 kmph of still water velocity. On reaching the opposite bank the drift obtained is

Moderate

A

93 m
B

100.8m
C

112.4 m
D

100 m

Solution

$\large drift\;x = d\frac{{{V_w}}}{{{V_b}}} = 400 \times \frac{2}{8} = 100m$

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