I Help 2-D Kinematics Begin Date: 91/2016 12:00:00 AM - Due Date:9/11/2017 8:00:

Question

I Help 2-D Kinematics Begin Date: 91/2016 12:00:00 AM - Due Date:9/11/2017 8:00:00 AM End Date: 12/15/2017 11:59:00 PM (9%) Problem 2: A famous golfer strikes a golf ball on the ground, giving it an initial velocity - voi+ oi. Assume the ball moves without air resistance and its motion is described using a Cartesian coordinate system with its origin located at the ball's initial position. Randomized Variables Vox 21.9 m/s 0,-16.3 m/s Assignment Status Click here for detailed view ©theexpertta.com 33% Part (a) Determine the maximum height above the ground. h x in meters attained by the golf ball 33% Part (b) Express the total horizontal distance, xmax, the ball travels until it returns to ground level in terms of var, vOy, and g 3396 Part (c) Evaluate the total horizontal distance, xmar in meters, the ball travels until it returns to ground level. Problem Status Completed Partial Grade Summary 0% 100% | ( cos0 cotan0 asinO tan() acosO sinO Attempts remaining: S (4% per attempt) detailed view

Explanation / Answer

(A) at maximum height, vertcial component of velocity will be zero.

Applying vf^2 - vi^2 =2 a d in vertical

0^2 - 16.3^2 = 2(-9.81)(Hmax)

Hmax = 13.5 m

(B) as it reaches the ground then vertical displacement will be zero.

y = v0y t - g t^2 /2 = 0

t = 2 v0y / g

x_max = v0x t = 2 v0x v0y / g

(C) x_max = (2 x 21.9 x 16.3) / 9.81

x_max = 72.8 m

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