An ambulance driver is rushing a patient to the hospital. While traveling at 72 km/h, she notices the traffic light at the upcoming intersections has turned amber. To reach the intersection before the light turns red, she must travel 50 m in 2.0 s. (5 pts each) a) What minimum acceleration must the ambulance have to reach the intersection before the light II. turns red? b) What is the speed of the ambulance when it reaches the intersection?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter3: Motion Along A Straight Line
Section: Chapter Questions
Problem 90AP: An ambulance driver is rushing a patient to the hospital. While traveling at 72 km/h, she notices...
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An ambulance driver is rushing a patient to the hospital. While traveling at 72 km/h, she notices
the traffic light at the upcoming intersections has turned amber. To reach the intersection before
the light turns red, she must travel 50 m in 2.0 s. (5 pts each)
a) What minimum acceleration must the ambulance have to reach the intersection before the light
II.
turns red?
b) What is the speed of the ambulance when it reaches the intersection?
Transcribed Image Text:An ambulance driver is rushing a patient to the hospital. While traveling at 72 km/h, she notices the traffic light at the upcoming intersections has turned amber. To reach the intersection before the light turns red, she must travel 50 m in 2.0 s. (5 pts each) a) What minimum acceleration must the ambulance have to reach the intersection before the light II. turns red? b) What is the speed of the ambulance when it reaches the intersection?
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