A crocodile is being carried downstream a river by a 3mls current. The crocodile

Question

A crocodile is being carried downstream a river by a 3mls current. The crocodile is oriented orthogonal to the current. A thrill seeking monkey is running on its back from tail to snout with a speed of Amla relative to the crocodile. What is the velocity of the monkey in a coordinate system flixed to the shore with the positive x-axis pointing in the direction of the river eurrent and the positive y axis along the original position of the crocodile from tail to snout. What is the speed of the monkey? onkey|- m/s

Explanation / Answer

By concept of relative motion, Vmonkey = Vcrocodile,shore + Vmonkey,crocodile

= 3 i + 4 j m/s answer

Speed of the monkey = sqrt(3^2+4^2) = 5 m/s

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