Problem 2
(by Mathematica)
(a) How fast is it moving at t=3s?
m
Fx
Fy
Nn
8; g
9.81 ;
10 Cos 20 Degree
10 Sin 20 Degree
m g Fy
N
N
9.39693
10 sin 20
81.9002
a
Fx
Nn 0.1
m
0.150863
v3
a3
0.45259
(b) What distant has it moved at t = 3 s
s3
1
0.678885
2a9