Calculate the final velocity of the dragster in Example 2.10 without using information about time. Data given

Question:

Calculate the final velocity of the dragster in Example 2.10 without using information about time.

Data given in Example 2.10

Dragsters can achieve average accelerations of 26.0 m/s2. Suppose such a dragster accelerates from rest at this rate for 5.56 s. How far does it travel in this time?

Strategy
Draw a sketch.

10 a 26.0 m/s 1 v=? y X

The equation v =  + 2a(x - x0) is ideally suited to this task because it relates velocities, acceleration, and displacement, and no time information is required.

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