Indicate the formula for the following conditions:

P^c=(n, r)

Please help!

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

b) well because you get well

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction

answer is  

minor arc – sw

major arc – stu

semicircle – wst

i got it down chief.