If the brakes on a car can give the car a constant negative acceleration of 2k m/2 , where k is a positive constant. What is the greatest speed it may be going if it is necessary to be able to stop the car within 25 meters after the brakes are applied? (A 20 m/s B 25k2 m/s 5k m/s D 10/k m/s

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
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If the brakes on a car can give the car a constant negative acceleration of
2k m/.2 , where k is a positive constant. What is the greatest speed it may
...
be going if it is necessary to be able to stop the car within 25 meters after
the brakes are applied?
(A
20
m/s
B
25k² m/s
5k m/s
(D
O 10/E mis
Transcribed Image Text:If the brakes on a car can give the car a constant negative acceleration of 2k m/.2 , where k is a positive constant. What is the greatest speed it may ... be going if it is necessary to be able to stop the car within 25 meters after the brakes are applied? (A 20 m/s B 25k² m/s 5k m/s (D O 10/E mis
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