1. A rolling ball moves from x1 = 3.4cm to x2 = - 4.2 cm during the time from t1 = 3.0s to t2 = 6.1s.What is the average vel1ocity?2. A car accelerates along a straight road from rest to 75km/h in 5.0 s. What is the magnitude ofits average acceleration in m/s??3. A drag racer starts her car from rest and accelerates at a constant rate 10.0 m/s2² for adistance of 400 m. (a) How long did it take the race car to travel this distance? (b) What is thespeed of the race car at the end of the run?

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What is the average vel1ocity? A car accelerates along a straight road from rest to 75km/h in 5.0 s. What is the magnitude of its average acceleration in 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

1. A rolling ball moves from x1 = 3.4cm to x2 = - 4.2 cm during the time from t1 = 3.0s to t2 = 6.1s.
What is the average vel1ocity?
2. A car accelerates along a straight road from rest to 75km/h in 5.0 s. What is the magnitude of
its average acceleration in m/s??
3. A drag racer starts her car from rest and accelerates at a constant rate 10.0 m/s2² for a
distance of 400 m. (a) How long did it take the race car to travel this distance? (b) What is the
speed of the race car at the end of the run?

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