A Golfer’s Swing (a) A projectile is launched at a speed v0 andat an angle above the horizontal; its

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A Golfer’s Swing (a) A projectile is launched at a speed v0 andat an angle above the horizontal; its initial velocity components(both positive) are v0x and v0y. In the absence of air resistance,what is the speed of the projectile at the peak of its trajectory?v_0 sqrt(v_(0x)^2 + v_(0y)^2) v_(0y) 1/2 ( v_(0x) + v_(0y) )v_(0x) (b) What is the speed of the projectile just before it lands atthe same vertical level from which it was launched? v0 v0y 0.5 v0v0x (c) Consider the projectile’s speed at a point that is at avertical level between the levels of the launching/landing pointsand the peak of the trajectory. How does the speed at thisintermediate point compare with the speeds v0x and v0? Theprojectile has a speed at this intermediate point that is less thanv0x. The projectile has a speed at this intermediate point that isgreater than v0. The projectile has a speed at this intermediatepoint that is between v0x and v0. A golfer hits a shot to a greenthat is elevated 5.0 m above the point where the ball is struck.The ball leaves the club at a speed of 17.0 m/s at an angle of40.0° above the horizontal, which is the +x axis. It rises in the+y direction to its maximum height and then falls down to thegreen. Ignore air resistance. (d) What is the algebraic expression for the x component vx ofthe ball’s velocity just before landing on the green? Express youranswer in terms of the initial launch speed v0 and the launch angleθ above the horizontal. vx = (e) What is the x component vx of the ball’s velocity justbefore landing on the green? Sign Magnitude Unit vx = (f) What isthe algebraic expression for the y component vy of the ball’svelocity just before landing on the green? Express your answer interms of the initial launch speed v0, the launch angle θ above thehorizontal, the acceleration ay in the vertical direction, and thevertical displacement y. vy = (g) What is the y component vy of the ball’s velocity justbefore landing on the green? Sign Magnitude Unit vy = (h) What isthe magnitude v of the ball’s velocity just before landing on thegreen? . . .

 
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