A bicycle wheel is rotating at 50 rpm when the cyclist begins to pedal harder, giving…
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Question “A bicycle wheel is rotating at 50 rpm when the cyclist begins to pedal harder, giving…”
A bicycle wheel is rotating at 50 rpm when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.41 rad/s?
What is the wheel’s angular velocity, in rpm, 7.0 s later?
How many revolutions does the wheel make during this time?
Answer
V-50 rpm- 50 Yps = 0.83. Wo = 270 = 3-14X0-83 = 5.21. rools Here, constant angular velocity Wo= 5.21. rad’s Time t = 7sec. Final angular velocity W = Wotat = 5.21+0:41×7 = 8.08 Rools angular displacement in this time O = Wot+ lat? = 5.21×7 + 1.41X 74 2 = 46-515 28180 = 0.13 Reostustion
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