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Kinematic Equations Quiz

A Chevrolet Corsica (m = 1220 kg; length = 4.6 m; a = -8.0 m/s2) is traveling 32.0 m/s. The Corsica is following closely behind a BMW (m = 1880 kg; length = 4.8 m; a = -8.0 m/s2). The BMW is traveling at the same speed. The distance between the centers of the two cars is 17.0 m. The BMW brakes and the driver of the Corsica requires 0.5 seconds to react (observe, decide, and execute). Use this information to answer the following questions.

1. Use kinematic equations to determine the distance that the BMW travels while braking to a stop. PSYW

 

 

2. Use kinematic equations to determine the distance that the Corsica travels before braking (i.e., in the 0.5 second of reaction time before the foot hits the brake pedal). PSYW

 

 

3. Use kinematic equations to determine the distance that the Corsica travels while braking to a stop. PSYW

 


Useful Web Links

Kinematic Equations and Problem-Solving (7 seconds)

Sample Problems and Solutions (6 seconds)

 

 

4. Sketch graphs of velocity vs. time for the two cars. Using the graphs, calculate the total distance traveled by the two cars. Clearly show your work.

 

EC: Did a collision occur? Clearly explain.


Useful Web Links

The Meaning of Shape for a v-t Graph (8 seconds)

The Meaning of Slope for a v-t Graph (9 seconds)

Determining the Area on a v-t Graph (12 seconds)

 

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© Tom Henderson, 1996-1998


Glenbrook South High School.

Last updated on 9/25/98.