14th Edition

ISBN: 9780133969290

Author: Hugh D. Young, Roger A. Freedman

Publisher: PEARSON

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Chapter 10, Problem 10.31E

A 2.80-kg grinding wheel is in the form of a solid cylinder of radius 0.100 m. (a) What constant torque will bring it from rest to an angular speed of 1200rev/min in 2.5 s? (b) Through what angle has it turned during that time? (c) Use Eq. (10.21) to calculate the work done by the torque. (d) What is the grinding wheel’s kinetic energy when it is rotating at 1200rev/min? Compare your answer to the result in part (c).

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Chapter 10, Problem 10.30E

Chapter 10, Problem 10.32E

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The drawing in the image attached shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular. Side 1 has an area of 1.90 m^2, Side 2 has an area of 3.90 m^2, the electric field in magnitude is around 215 N/C. Please find the electric flux magnitude through side 1 and 2 combined if the angle (theta) made between the electric field with side 2 is 30.0 degrees. Thank you.

The drawing in the image attached shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular. Surface (1) has an area of 1.90 m^2, while Surface (2) has an area of 3.90 m^2. The electric field in magnitude of 215 N/C. Please find the magnitude of the electric flux through surface (with both 1 and 2 combined) if the angle (theta) made between the electric field with surface (2) is 30.0 degrees. Thank you.

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