This preview shows page 1. Sign up to view the full content.
10.53:
a)
(
29
(
29
(
29
.
m
kg
955
.
0
rev/min
rad/s
30
rev/min
100
s
0
.
2
m
N
0
.
5
2
⋅
=
⋅
=
∆
∆
=
=
π
ω
t
τ
α
τ
I
b) Rather than use the result of part (a), the magnitude of the torque is proportional to
α
and hence inversely proportional to


t
∆
; equivalently, the magnitude of the change in
angular momentum is the same and so the magnitude of the torque is again proportional
This is the end of the preview. Sign up
to
access the rest of the document.