Pearson's MyLab & MasteringMasteringEngineering Mastering x+ C https://session.masteringengineering.com/myct/itemView?offset- next&lassignmentProblemiD-8341780 Homework 4 Problem 13.112 Part A The pilot of an airplane executes a vertical loop which in part follows the path of a four-leaved rose,r (-600 cos 20 ft, where θ is in radians. His speed at A is a constant up-80 ft/s He weighs 135 lb. Hint To determine the time derivatives necessary to compute the acceleration components ar and ae take the first and second time derivatives of r -600 cos 20) Determine the magnitude of the vertical reaction the seat of the plane exerts on the pilot when the plane is at A Express your answer to three significant figures and include the appropriate units. Then,for turther infomalion use +(re) to determine θ. Also, take the time derivative of-yW + (ref noting that tp:0, to determined (Figure 1) NValue Units Submit Request Answer K Return to Assignment Provide Feedback Figure 1 of 1 r-600 cos 26
Pearson's MyLab & MasteringMasteringEngineering Mastering x+ C https://session.masteringengineering.com/myct/itemView?offset- next&lassignmentProblemiD-8341780 Homework 4 Problem 13.112 Part A The pilot of an airplane executes a vertical loop which in part follows the path of a four-leaved rose,r (-600 cos 20 ft, where θ is in radians. His speed at A is a constant up-80 ft/s He weighs 135 lb. Hint To determine the time derivatives necessary to compute the acceleration components ar and ae take the first and second time derivatives of r -600 cos 20) Determine the magnitude of the vertical reaction the seat of the plane exerts on the pilot when the plane is at A Express your answer to three significant figures and include the appropriate units. Then,for turther infomalion use +(re) to determine θ. Also, take the time derivative of-yW + (ref noting that tp:0, to determined (Figure 1) NValue Units Submit Request Answer K Return to Assignment Provide Feedback Figure 1 of 1 r-600 cos 26
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