On level ground a shell is fired with an initial velocity of 50.0 m/s at 70.0 ∘ above the horizontal and feels no appreciable air resistance.  a. Find the horizontal and vertical components of the shell's initial velocity. b. How long does it take the shell to reach its highest point, and what is its maximum height above the ground? c. How far from its firing point does the shell land? d. At its highest point, find the horizontal and vertical components of its acceleration

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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.