Motion in a Plane - Result Question 59

62. A boat is sent across a river with a velocity of 8kmh1. If the resultant velocity of boat is 10kmh1, then the velocity of the river is

(a) 12.8kmh1

(b) 6kmh1

(c) 8kmh1

(d) 10kmh1

[1993]

Show Answer

Solution:

  1. (b) vr=vR2vB2

=10282=6kmh1



NCERT Chapter Video Solution

Dual Pane