O Macmillan Learning A car travels down a straight country road that leads over hills and through valleys. On one particular stretch of road, the car encounters a hill that can be approximated as the top of a circle with a radius r = 105 m. Later, the car comes to a dip with a radius of curvature rd = 75 m. Assume that the car maintains a constant speed of v = 23 m/s as it goes over the hill and through the dip. Figure not to scale. The actual weight of the driver, as measured on a flat stretch of road, is 770 N. What is the apparent weight W₁ of the driver at the top of the hill? What is the apparent weight Wɖ of the driver at the bottom of the dip? N Wh =

O Macmillan Learning A car travels down a straight country road that leads over hills and through valleys. On one particular stretch of road, the car encounters a hill that can be approximated as the top of a circle with a radius r = 105 m. Later, the car comes to a dip with a radius of curvature rd = 75 m. Assume that the car maintains a constant speed of v = 23 m/s as it goes over the hill and through the dip. Figure not to scale. The actual weight of the driver, as measured on a flat stretch of road, is 770 N. What is the apparent weight W₁ of the driver at the top of the hill? What is the apparent weight Wɖ of the driver at the bottom of the dip? N Wh =

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 64P: A runner taking part in the 200-m dash must run around the end of a track that has a circular arc...

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