Physics - Kinematics Question with Solution | TestHub

PhysicsKinematicsRelativeMedium2 minQB

PhysicsMediumsingle choice

A boat is traveling due east at 12 m/s. A flag on the boat flaps at 53°N of W. Another flag on the shore flaps due north :-

Answer:

Solution:

The shore flag shows the wind blows due north relative to the ground; call its speed u.

Relative to the boat the wind has a west component of 12 m/s and a north component u.

The boat flag gives $tan 5 3^{\circ} = \frac{u}{12}$ , so $u = 12 \times \frac{4}{3} = 16 m/s$ .

Answer: A

Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:Relative

⏱ 2mℹ️ Source: QB

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