Dynamics 14-Kinematics

Question 1

grav acceleration

Answer 1

9.81 m/s^2

Question 2

vector form, rectangular form, unit vector form

Answer 2

r, (x,y,z) , r = xi +yj +zk

Question 3

first 2 derivatives of the position vector is ___ and ___

Answer 3

velocity, acceleration

Question 4

rectangular vs polar coordinates

Answer 4

(xyz) or r , vs , radius r and angle theta

Question 5

instantaneous linear velocity and acceleration in circular path

Answer 5

tangential velocity and tangential acceleration

Question 6

projectile motion has __ acceleration

Answer 6

constant

Question 7

quadratic equation

Answer 7

0 = ax^2 + bx + c , x = (-b +- sqrt( b^2 -4(ac))) / 2a

Question 8

angular velocity and acceleration

Answer 8

w and a

Question 9

where is a projectile, when Vy = 0

Answer 9

apex (half way to end if flat surface)