- #26

- 191

- 4

Ohhh! Thank you! The graph and the calculation made it clearer!look at the SUVAT equation

(1) v = u + at

at the top of the balls flight, v = 0

so

t = u/a = 1.63 s

half this time is 0.815 s

now plug that back in to the equation (1)

a*t = 8 which is half the intial speed