………………………….

1. vo = 6 m/s
t = 3 s
a. vt = vo + gt = 6 + 10*3 = 6 + 30 = 36 m/s
b. h = vot + 1/2gt²
= 6*3 + 1/2*10*3²
= 18 + 45
= 63 m

2. m = 150kg
F = 450N
a = F/m = 450/150 = 3 m/s²