At one instant a bicyclist is 45.0 m due east of a park's flagpole, going due south with a speed of 12.0 m/s. Then 21.0 s later, the cyclist is 45.0 m due north of the flagpole, going due east with a speed of 12.0 m/s. For the cyclist in this 21.0 s interval, what are the (a) magnitude and (b) direction of the displacement, the (c) magnitude and (d) direction of the average velocity, and the (e) magnitude and (f) direction of the average acceleration? (Give all directions as positive angles relative to due east, where positive is meaured going counterclockwise.) (a) Number Hi Units (b) Number i Units (c) Number i Units (d) Number i Units (e) Number i Units <>> <> <> <>

At one instant a bicyclist is 45.0 m due east of a park's flagpole, going due south with a speed of 12.0 m/s. Then 21.0 s later, the cyclist is 45.0 m due north of the flagpole, going due east with a speed of 12.0 m/s. For the cyclist in this 21.0 s interval, what are the (a) magnitude and (b) direction of the displacement, the (c) magnitude and (d) direction of the average velocity, and the (e) magnitude and (f) direction of the average acceleration? (Give all directions as positive angles relative to due east, where positive is meaured going counterclockwise.) (a) Number Hi Units (b) Number i Units (c) Number i Units (d) Number i Units (e) Number i Units <>> <> <> <>

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 5OQ: Does a car moving around a circular track with constant speed have (a) zero acceleration, (b) an...

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