An MBDA official investigated an accident in Roman highway. They saw a 200- feet-long skid mark which was produced from the time driver stepped on the car break to the time it fully stopped. During the investigation, the driver told him that after stepping on the car break, it decelerated at a speed of 16ft/sec². The official wanted to know how fast the car was before the accident happened. Determine the car's velocity before the break is applied to help them dig on what caused the accident.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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An MBDA official investigated an accident in Roman highway. They saw a 200-
feet-long skid mark which was produced from the time driver stepped on the car
break to the time it fully stopped. During the investigation, the driver told him that
after stepping on the car break, it decelerated at a speed of 16ft/sec². The official
wanted to know how fast the car was before the accident happened. Determine the
car's velocity before the break is applied to help them dig on what caused the
accident.
Transcribed Image Text:An MBDA official investigated an accident in Roman highway. They saw a 200- feet-long skid mark which was produced from the time driver stepped on the car break to the time it fully stopped. During the investigation, the driver told him that after stepping on the car break, it decelerated at a speed of 16ft/sec². The official wanted to know how fast the car was before the accident happened. Determine the car's velocity before the break is applied to help them dig on what caused the accident.
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