What is the velocity of a rugby ball 3.0 after it is kicked vertically upwards with a speed of 16 ms^-1
g is 9.8 ms^-2
v = u + at
u = 16 , a is acting in opposite direction so is negative, so at = -29.4
16 - 29.4 = -13.4 so ball is now falling back to earth at velocity of 13.4 m/s
