A boat searching for underwater archaeological sites in Palawan sea moves at 4 knots and follows the path  r = 10θ, where θ is in radians. A knot is 1 nautical mile or 1852 m/hour. When θ = 2π radians, find the  magnitude of the velocity.  a. 1.81 m/s  b. 2.06 m/s  c. 1.18 m/s  d. 2.852 m/s

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A: Given data: The vectors are A and B.

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.