A man rows a boat with a speed of 20 km/hr in the northwest direction. The shoreline makes an angle of 1 5 ∘ south of west. The component of the velocity of the boat along the shoreline is:

Component = 20 cos ( 4 5 ∘ + 1 5 ∘ ) = 20 cos 6 0 ∘ = 10 km/hr. Option A.

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Physics - Kinematics Question with Solution | TestHub

PhysicsKinematicsRelativeMedium2 minQB

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A man rows a boat with a speed of 20 km/hr in the northwest direction. The shoreline makes an angle of $1 5^{\circ}$ south of west. The component of the velocity of the boat along the shoreline is:

Options:

Answer:

Solution:

Component = $20 cos (4 5^{\circ} + 1 5^{\circ}) = 20 cos 6 0^{\circ} = 10$ km/hr. Option A.

Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:Relative

⏱ 2mℹ️ Source: QB

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