2. A bowler projects an 8.5-in diameter ball weighing 16 lb along an alley with a forward velocity vo of 25 ft/s and a backspin wo of 9 rad/s. Knowing that the koefficient of kinetic friction between the ball and the alley is 0.10, determine (a) the time t₁ at which the ball will start rolling without sliding, and (b) the speed of the ball at time t₁.
2. A bowler projects an 8.5-in diameter ball weighing 16 lb along an alley with a forward velocity vo of 25 ft/s and a backspin wo of 9 rad/s. Knowing that the koefficient of kinetic friction between the ball and the alley is 0.10, determine (a) the time t₁ at which the ball will start rolling without sliding, and (b) the speed of the ball at time t₁.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Vo
2. A bowler projects an 8.5-in diameter ball weighing 16 lb along an alley with
a forward velocity vo of 25 ft/s and a backspin wo of 9 rad/s. Knowing that the
koefficient of kinetic friction between the ball and the alley is 0.10, determine
(a) the time t₁ at which the ball will start rolling without sliding, and (b) the
speed of the ball at time t₁.
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