At 1 kilometer per year , how many centuries would it take for people to move from africa to china which is 10,000 kilometers away-

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow

What structural formula represents 4 electrons shared between two atoms?

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.