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18 me of the ? 1441 13. A lovesick lad wants to throw a girlfriend's bedroom...

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me of the ? 1441 13. A lovesick lad wants to throw a girlfriends bedroom 100 m above. Assuming ,he at 60.0° to the ground: a) At what velocity should she throw the bag? I16.2 m/s se 60炉tot b) How far from the house is he standing when he throws the bo 13 bag of Gha- 14. You are piloting a helicopter which is rising vertically at a you reach 196.00 m, you see Barney(Uh.oh). A large object is proiected w velocity of 8.50 m/s from the rising helicopter a) when does the ball reach Barneys head if he is standing in atole with his heed uniform velocty of 4.70 ms When level? [7.99 s] Uound b) c) Where does Barney have to be horizontally relative to the helicopters postion? 1.m what is the vertical velocity when it hits the ground? I-63.7 m 15. An object is punted at 25.0 m/s [40g? N of El on Gs home planet. Whatthe re object on level ground? (Use 8- 18.0 m/s2) 134.2 m) 16. An elastic loaded balloon launcher fires balloons at an angle of 138.of N of El from the surface of the ground. If the initial velocity is 25.0 m/s, find how far away the balloons are from the launcher when they hit the level ground again. [61.8 m] 17. A movie stunt driver on a motorcycle speeds horizontally off a 50.0 m high cliff. How fast (n km/h) must the motorcycle leave the cliff-top if its to land on the level ground below at a distance of 90.0 m from the base of the cliff? [101 km/h] 18. A football is kicked at 37.0° to the horizontal at 20.0 m/s from the players hand at 1.00 m from the ground. How far did the football travel before hitting the ground? (40.5m 19. The same football in #15 is kicked from the ground instead. a) Find the maximum height. [7.38 m] b) Find the time of travel. [2.45 s c) How far away does it hit the ground? [39.2 m] d) Find the velocity vector at maximum height. [16.0 m/s which is horizontal e) Find the acceleration vector at maximum height. (9.81 m/s down]
me of the ? 1441 13. A lovesick lad wants to throw a girlfriend's bedroom 100 m above. Assuming " ,he at 60.0° to the ground: a) At what velocity should she throw the bag? I16.2 m/s se 60炉tot b) How far from the house is he standing when he throws the bo 13 bag of Gha- 14. You are piloting a helicopter which is rising vertically at a you reach 196.00 m, you see Barney(Uh.oh). A large object is proiected w velocity of 8.50 m/s from the rising helicopter a) when does the ball reach Barney's head if he is standing in atole with his heed uniform velocty of 4.70 ms When level? [7.99 s] Uound b) c) Where does Barney have to be horizontally relative to the helicopters postion? 1.m what is the vertical velocity when it hits the ground? I-63.7 m 15. An object is punted at 25.0 m/s [40g? N of El on G's home planet. What"the re object on level ground? (Use 8- 18.0 m/s2) 134.2 m) 16. An elastic loaded balloon launcher fires balloons at an angle of 138.of N of El from the surface of the ground. If the initial velocity is 25.0 m/s, find how far away the balloons are from the launcher when they hit the level ground again. [61.8 m] 17. A movie stunt driver on a motorcycle speeds horizontally off a 50.0 m high cliff. How fast (n km/h) must the motorcycle leave the cliff-top if it's to land on the level ground below at a distance of 90.0 m from the base of the cliff? [101 km/h] 18. A football is kicked at 37.0° to the horizontal at 20.0 m/s from the player's hand at 1.00 m from the ground. How far did the football travel before hitting the ground? (40.5m 19. The same football in #15 is kicked from the ground instead. a) Find the maximum height. [7.38 m] b) Find the time of travel. [2.45 s c) How far away does it hit the ground? [39.2 m] d) Find the velocity vector at maximum height. [16.0 m/s which is horizontal e) Find the acceleration vector at maximum height. (9.81 m/s' down]
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