please answer number 5 with a complete solution 3 A person travels by car from one city to another withdifferent constant speeds between pairs of cities. Shedrives for 30.0 min at 80.0 km/h, 12.0 min at 100 km/h,and 45.0 min at 40.0 km/h and spends 15.0 min eat-ing lunch and buying gas. (a) Determine the averagespeed for the trip. (b) Determine the distance betweenthe initial and final cities along the route.Note: For (a), express your answer in m/s, and for (b), express your answer in m.4. A particle moves according to the equation x=20t?, where x is in meters and tis inseconds. (a) Find the average velocity for the time interval from 4.00 s to 5.00 s. (b) Findthe average velocity for the time interval from 3.00 to 3.10 s.5. The position of a particle moving along the x-axis varies in time according to theexpression x =4t?, where x is in meters and tis in seconds. Evaluate its position (a) att=4.00 s and (b) at 4.00 s + At. (c) Evaluate the limit of Ax/Atas Atapproaches zero tofind the velocity at t=4.00 s.

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Description: please answer number 5 with a complete solution 3 A person travels by car from one city to another withdifferent constant speeds between pairs of cities. Shedrives for 30.0 min at 80.0 km/h, 12.0 min at 100 km/h,and 45.0 min at 40.0 km/h and spends 1

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the average velocity for the time interval from 3.00 to 3.10 s. 5. The position of a particle moving along the x-axis varies in time according to the expression x =4t?, where x is in meters and tis in seconds. Evaluate its position (a) at t=4.00 s and (b) at 4.00 s + At. (c) Evaluate the limit of Ax/Atas Atapproaches zero to find the velocity at t=4.00 s.

the average velocity for the time interval from 3.00 to 3.10 s. 5. The position of a particle moving along the x-axis varies in time according to the expression x =4t?, where x is in meters and tis in seconds. Evaluate its position (a) at t=4.00 s and (b) at 4.00 s + At. (c) Evaluate the limit of Ax/Atas Atapproaches zero to find the velocity at t=4.00 s.

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter2: Motion

Section: Chapter Questions

Problem 1AYK: Do highway speed limit signs refer to average speeds or to instantaneous speeds? Explain.

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