To anticipate the dip and the hump in the road, the driver of a car applies his brakes to produce a uniform deceleration. His speed is 100kph at the bottom A of the dip and 50 kph at the top Cof the hump. The length of the road from A to Cis 120m. The radius of curvature of the hump at Cis 150m. The total acceleration at A is 3 m/s^2. Determine the acceleration in m/s^2 at the point of inflection B? 60 m B. 60 m A に
To anticipate the dip and the hump in the road, the driver of a car applies his brakes to produce a uniform deceleration. His speed is 100kph at the bottom A of the dip and 50 kph at the top Cof the hump. The length of the road from A to Cis 120m. The radius of curvature of the hump at Cis 150m. The total acceleration at A is 3 m/s^2. Determine the acceleration in m/s^2 at the point of inflection B? 60 m B. 60 m A に
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Transcribed Image Text:To anticipate the dip and the hump in the road, the driver of a car applies his brakes to produce a uniform deceleration. His speed is
100kph at the bottom A of the dip and 50 kph at the top C of the hump. The length of the road from A to Cis 120m. The radius of
curvature of the hump at C is 150m. The total acceleration at A is 3 m/s^2.
Determine the acceleration in m/s^2 at the point of inflection B?
60 m
B.
60 m
A
A) 2.56
B) 4.12
c) 3.01
D 2.86
E) 2.41
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