4. A typical small rescue helicopter has four blades: Each blade is 4.00 m long andhas a mass of 50.0 kg (Fig. 4). The blades can be approximated as thin rods thatrotate about one end of an axis perpendicular to their length.Top view4.0 mFigure 4(a) Calculate the moment of inertia of the blades.(b) Calculate the rotational kinetic energy in the blades when they rotate at 300rpm.(c) Calculate the angular momentum of the blades for the angular velocity inpart(b). 1. Consider a conical pendulum as shown in the figure with a 80 kg bob. The bob isattached with a wire of length 10 m making an angle of 0 = 5° with the vertical.Figure 1(a) Determine the horizontal and vertical component of the force exerted by thewire on the pendulum.(b) Determine the centripetal acceleration and speed of the bob.(c) Calculate the time period, T of the conical pendulum. .

Introduction: Moment of inertia (I) = mass ×distance 2…

A typical small rescue helicopter has four blades: Each blade is 4.00 m long and has a mass of 50.0 kg (Fig. 4). The blades can be approximated as thin rods that rotate about one end of an axis perpendicular to their length. Top view 4.0 m

A typical small rescue helicopter has four blades: Each blade is 4.00 m long and has a mass of 50.0 kg (Fig. 4). The blades can be approximated as thin rods that rotate about one end of an axis perpendicular to their length. Top view 4.0 m

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 38P: During a 6.0-s time interval, a fly-wheel with a constant angular acceleration turns through 500...

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