View Single Post
BlackWyvern
#8
Aug21-07, 04:28 AM
P: 105
p = mv
1500 . 27.78
= 41,670 kgms^-1

dp/dt = F
41,670/4 = 10,417.3N

W=Fd
= 10,417.3 . d

d = Vi.t + (0.5)a.t.t
d = (0.5).(27.78 / 4).4.4
d = 55.56

W = Fd
= 10,417.3 . 55.56
= 578,785.188

P = W/t
= 578,785.188 / 4
= 144,696.297 W