ULL SERTE PRINTER VERSTON BACK Chapter 03, Problem 34 Interactive LeaningwWare 3

Question

ULL SERTE PRINTER VERSTON BACK Chapter 03, Problem 34 Interactive LeaningwWare 3.2 provides a review of the concepts that are important in t tees off and drives the ball 2.60 times an angle of 29 above range or the ball? his problem. On a distant planet, golf is just as popular as it is on earth. A golfer as far as he would have on earth, given the same initial velocities on both planets. The ball is launched at a speed of 42.0 m/s at the horlzontal. When the ball lands, it is at the same level as the tee. On the distant planet, what are (a) the maximum height and (b) the (a) Number (b) Number Click if you would like to Show Work for this question: Onen Show Work Units Units

Explanation / Answer

Given,

vi = 42 m/s ; theta = 29 deg ; R = 2.6 Re

a)vix = 42 cos29 = 36.73 m/s

viy = 42 sin29 = 20.36 m/s

we know that max height is given by:

H = vy^2/2g = 20.36^2/2 x 9.81 = 21.13 m

H' = 2.6 x 21.13m = 54.9m

Hence, H' = 54.9 m

b)the time to reach max height is:

t = viy/g = 20.36/9.81 = 2.08 s

time of flight = 2t = 2 x 2.08 = 4.16 s

R = vx T = 36.73 x 4.16 = 152.79 m

R' = 2.6 x 152.79 = 397.27 m

Hence, R' = 397.27 m

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