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A child is walking in a straight line, which we shall call the x axis, with the positive direction to the right. The figure below shows this child’s velocity as a function of time.      Which of the following statements about the child’s motion must be true?   1. Its acceleration is increasing. 2. Its speed is increasing from a to b. 3. Its speed is decreasing from a to b and increasing from b to c. 4. It is moving to the left between a and c. 5. It is moving to the left between a and b and to the right between b and c.

A stone is thrown with an initial vertical downward velocity of 1.0 m/s from the top of a 3.0

How long does it take for a bicycle with a constant acceleration of 0.2 m/s2 to go from rest to a speed of 1.4 m/s?

Extensions may be given after the homework availability date closes.

Patricia Hill Collins, author of “The Matrix of Domination”, suggests that rather than adopting a simple additive approach to models of oppression, what is best used to model oppression?

True or False: Contrary to popular opinion, widening or narrowing the wage gap between white and black working-class citizens does not mean more for one and less for the other.

True or False: After September 11, 2001, Arabs, Middle Easterns, and South Asians were enumerated as nonwhites.

Ironically, the dichotomy of dependency between white and black women was such that white women were seen as excessively ___, while black women were excessively ____.

What factors were believed to be the reason behind the shift in dependency from normalized to stigmatized?

After the discovery of penicillin’s effectiveness in treating syphilis in 1947, the Tuskegee study was ended and subjects given treatment.