Which selection below is from the 15th Amendment (1870) which was born as a result of both slavery and racist policies to restrict the rights of black Americans after the Civil War? A. voting rights can be extended to slaves
B. women also have the right to vote
C. voting rights cannot be restricted on the basis of race
D. sale of alcohol was prohibited

The particle p starts from rest at point a at time t = 0 and changes its speed thereafter at a constant rate of 2.8g as it follows the horizontal path shown. determine the magnitude and direction of its total acceleration (a) just before point b, (b) just after point b, and (c) as it passes point c. state your directions relative to the x-axis shown (ccw positive) and choose the angle with the smallest magnitude.