Question

ろぐちゃん

線速度に関する問題です。解き方がわからないのですが、解答がないためどなたか解き方を教えてくださると嬉しいです🙇‍♀️

Figure 4-4g
6.
Train Problem A train wheel has a diamter of
30 in. to the rim, which rests on the track. The
flange, which keeps the wheel from slipping off
the track, projects 1 in. beyond the rim (Figure
4-4h). When the train is traveling 60 mi/h, what
is the linear velocity of a point on the outer edge
of the flange?
O
Rim
Flange