car travels on a straight, level road. (a) Starting from rest, the car is going 54 ft/s (37 mi/h) at the end of 4.0 s. What is the car's average acceleration in ft/s2? magnitude 13.5 ft/s2 (b) In 3.0 more seconds, the car is going 108 ft/s (74 mi/h). What is the car's average acceleration for this time period? magnitude 18 ft/s2 (c) The car then slows to 81 ft/s (55 mi/h) in 2.0 s. What is the average acceleration for this time period? magnitude ????? ft/s2
car travels on a straight, level road. (a) Starting from rest, the car is going 54 ft/s (37 mi/h) at the end of 4.0 s. What is the car's average acceleration in ft/s2? magnitude 13.5 ft/s2 (b) In 3.0 more seconds, the car is going 108 ft/s (74 mi/h). What is the car's average acceleration for this time period? magnitude 18 ft/s2 (c) The car then slows to 81 ft/s (55 mi/h) in 2.0 s. What is the average acceleration for this time period? magnitude ????? ft/s2
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 14E: A car travels on a straight, level road. (a) Starting from rest, the car is going 44 ft/s (30 mi/h)...
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car travels on a straight, level road.
(a) Starting from rest, the car is going 54 ft/s (37 mi/h) at the end of 4.0 s. What is the car's average acceleration in ft/s2?
(b) In 3.0 more seconds, the car is going 108 ft/s (74 mi/h). What is the car's average acceleration for this time period?
(c) The car then slows to 81 ft/s (55 mi/h) in 2.0 s. What is the average acceleration for this time period?
(d) What is the overall average acceleration for the total time?
magnitude | 13.5 ft/s2 |
(b) In 3.0 more seconds, the car is going 108 ft/s (74 mi/h). What is the car's average acceleration for this time period?
magnitude | 18 ft/s2 |
(c) The car then slows to 81 ft/s (55 mi/h) in 2.0 s. What is the average acceleration for this time period?
magnitude | ????? ft/s2 |
(d) What is the overall average acceleration for the total time?
magnitude | ????? ft/s2 |
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