A car is traveling around a circular track of 790-ft radius. If the magnitude of its total acceleration is 17.1 ft/sec² at the instant when its speed is 57 mi/hr, determine the rate a at which the car is changing its speed. Answer: a = ± ft/sec²

A car is traveling around a circular track of 790-ft radius. If the magnitude of its total acceleration is 17.1 ft/sec² at the instant when its speed is 57 mi/hr, determine the rate a at which the car is changing its speed. Answer: a = ± ft/sec²

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section5.1: Vectors

Problem 1PP

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

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A car is traveling around a circular track of 790-ft radius. If the magnitude of its total acceleration is 17.1 ft/sec² at the instant when its
speed is 57 mi/hr, determine the rate a, at which the car is changing its speed.
Answer: ai
ft/sec²

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