An insect is at the bottom of a hemispherical ditch of radius

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

An insect is at the bottom of a hemispherical ditch of radius 1 m1\ \text{m}. It crawls up the ditch but starts slipping after reaching a height hh from the bottom. If the coefficient of friction between the ground and the insect is 0.750.75, find hh. (1) 0.20 m0.20\ \text{m} (2) 0.45 m0.45\ \text{m} (3) 0.60 m0.60\ \text{m} (4) 0.80 m0.80\ \text{m}

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