18c) ut=2-0.3t.....(1); 1.2=0.5gt^2.....(2); then combine the equations to find u
Kms
2019-10-31 00:33:12
19e) vertical initial velocity vy=v sin 60 =6; horizontal initial velocity vx=v cos 60= 6 cos 60 /sin 60; then multiply it by the time found in (d) to find the distance.
