Class ManagementI Help Chapter4 H k Begi Date: 925 2018 i201:00 AM . D Date: 101

Question

Class ManagementI Help Chapter4 H k Begi Date: 925 2018 i201:00 AM . D Date: 101 2018 159 00 PM End Date: 1012018 11:59:00PM (10%) Problem 3: During a baseball game, a baseball is struck at ground level by a batter. The ball leaves the baseball bat with an initial velocity vo 32 m/s at an angle 8 36° above horizontal. Let the origin of the Cartesian coordinate system be the balls position the instant it leaves the bat. Air resistance may be ignored throughout this problem y Ctheexpertta.com a 20% Part (a) Express the magnitude of the ball's initial horizontal velocity var in terms of vo and e VO vo cos() Correct 20% Part (b) Express the magnitude of the ball's initial vertical velocity vay in terms of vo and vo sine) Correct | ag 20% Part (c) Find the ball's maximum vertical height hmar in meters above the ground. Grade Summary Deduction Potential 056 9790 cotan sin acoso atan acotan) sinho Submissions Atermpts remaining (dhu per attemapt) detalled vien 383

Explanation / Answer

Part c)

Maximum height, H = (vo sin(theta))2/2g

H = (32 x sin36)2/(2 x 9.8) = 18.05 m

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