1.7. A car travels 1.0 km from rest to rest with constant accel- eration for the first 0.25 km and constant deceleration for the remaining 0.75 km. Calculate the time taken (a) if the maximum velocity reached is 50 km h-1, and (b) if the acceleration and deceleration are double those required for (a). [(a) 2.4 min; (b)
1.7. A car travels 1.0 km from rest to rest with constant accel- eration for the first 0.25 km and constant deceleration for the remaining 0.75 km. Calculate the time taken (a) if the maximum velocity reached is 50 km h-1, and (b) if the acceleration and deceleration are double those required for (a). [(a) 2.4 min; (b)
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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![1.7. A car travels 1.0 km from rest to rest with constant accel-
eration for the first 0.25 km and constant deceleration for the
remaining 0.75 km. Calculate the time taken (a) if the maximum
velocity reached is 50 km h-1, and (b) if the acceleration and
deceleration are double those required for (a). [(a) 2.4 min; (b)
1.7 min.]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51882a88-f3a1-48e5-9c0d-5a4f3ad7d664%2F278a0d70-75b5-49ff-9a97-1e8c398e62b6%2Fj39jylm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.7. A car travels 1.0 km from rest to rest with constant accel-
eration for the first 0.25 km and constant deceleration for the
remaining 0.75 km. Calculate the time taken (a) if the maximum
velocity reached is 50 km h-1, and (b) if the acceleration and
deceleration are double those required for (a). [(a) 2.4 min; (b)
1.7 min.]
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