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Thursday, August 23, 2007

problem 2/132

On problem 2/132, how do you find the magnitude of the acceleration to use in the equation without actually solving for the radius of curvature first?

1 comment:

Chuck Krousgrill said...

To find velocity, you use the given functions x(t) and y(t) to calculate x_dot and y_dot.

Similarly, you use these same functions to find x_dot_dot and y_dot_dot; these make up the x- and y-components of acceleration.

Once you have acceleration as a vector, you can then calculate the numerical value of its magnitude.