A projectile is launched from the origin of xy-plane with an initial velocity vector of 55 m/s directed in 30 degrees East of North. Draw the initial vector velocity, give its magnitude and direction Calculate its components Determine its final position on x-axis and its final position on the y-axis at i. ii. iii. time t = 0.25 second Calculate its maximum range and its maximum height Sketch the curve iv. V.

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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.