KinematicsHard
Question
A boat which has a speed of 5km per hour in still water a river of width 1 km along the shortest possible path in fifteen minutes. The velocity if the river water in km hour is : -
Options
A.1
B.2
C.3
D.
Solution
s = ut
1 = vBR cos θ t
1 = 5 cos θ
cos θ =
⇒ θ = 37ovR = vBR sin 37o = 5 ×
= 3 km/hrCreate a free account to view solution
View Solution FreeMore Kinematics Questions
A weightless inextensible rope rest on a stationary wee forming an angle with the horizontal. One end moving to the rope...The figure shown the velocity time graph of a particle which moves along a straight line staring with velocity at 5 m /s...Pick the correct statement : -...A ball is projected from a certain point on the surface of a planet on the surface of a planet at a certain with the hor...Which of the following velocity-time graphs shows a readlistic situation for a body in motion ?...