A car is stopped at a traffic light. It then travels along a straight road such that its distance from the light is given by x(t)=bt^2-ct^3, where b=2.4 m/s^2 and c=0.120 m/s^3. Calculate the instantaneous velocity of the car at t = 5.0 s. * 12 m/s 15 m/s 20 m/s 50 m/s

A car is stopped at a traffic light. It then travels along a straight road such that its distance from the light is given by x(t)=bt^2-ct^3, where b=2.4 m/s^2 and c=0.120 m/s^3. Calculate the instantaneous velocity of the car at t = 5.0 s. * 12 m/s 15 m/s 20 m/s 50 m/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A car is stopped at a traffic light. It then travels along a straight road such
that its distance from the light is given by x(t)=bt^2-ct^3, where b=2.4
m/s^2 and c=0.120 m/s^3. Calculate the instantaneous velocity of the car
at t = 5.0 s. *
12 m/s
O 15 m/s
20 m/s
50 m/s

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