07.14: An object moves to the East across a zbslwi.+ -cc9h161pt bzbs q /frictionless surface with constant speed. A person then applies a constant force to the North opb blq.6cw1zb cst/ 1+hi-z9sn the object. What is the resulting path that the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are x-2azf a* vp4vlaunched with the same speed from the same startin 4z xfpv2a*v-ag location. Object 1 is launched at an angle of $30^{\circ}$ above the horizontal while Object 2 is launched at an angle of $60^{\circ}$ above the horizontal. Ignore air resistance and consider the flight of each object from launch until it returns to the same launch height above the ground. Which object returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched(hlf6 a 8dd:x9wai xx9 with the same speed from the same starting location. Object 1 is launched fixd x(6x9lh:aaw d98 at an angle of $30^{\circ}$ above the horizontal while Object 2 is launched at an angle of $60^{\circ}$ above the horizontal. Ignore air resistance and consider the flight of each object from launch until it returns to the same launch height above the ground. Which object experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horizontally, directly at the4r(9p s/,cq -hejygto center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resiqpgt hs o/cjr9y-e,(4stance, what was the initial speed of the arrow?

  03.05: Two arrows arek te*bwt1sgj:n.i8:vm7 rv :m ;t5gst launched at the same time with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrim:tvn misb;*: 7se1gwt 58ttg jv.k: rves first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant, a b;;uu;ljcvs-petm m);v m;1vnowling b;;mv c)ms-tv u ;eump;j lv;1nall is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a hork, ly: dfvqh;n+x8( c5vo he4yizontal table. The ball has an initok ehv nyfyvc5;q ,l 4:8dx(h+ial speed $v_0$ and lands on the floor some distance from the base of the table. Which of the following statements concerning the fall of the ball is FALSE?

  00.36: A ball is thrown vertically upward with an initial ve;f/9rsd (a* vfrs6esplocity v and an initial kinetic energy;/afre*pr 6fs9ds(vs $E_k$. When the ball is half way to the top of its flight, what is its velocity and its kinetic energy respectively?

  00.37: During a recent winter storm, bales of hay had to be dropped from an aiw-bxjh7-ofx 3 rplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 180 m with a constant velocity of 50 m/s and dropped one bail of hay every two seconds. It is reasonable to assume that air resistance will be -ow-3h 7x jbfxnegligible for this situation. As the bales are falling through the air, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had jonvvv/: tyb4(b4t n, to be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 180 m with a constant velocity of 50 m/s and dropped one bail of hay every two secon, yjbv / 4bovnvnt:t(4ds. It is reasonable to assume that air resistance will be negligible for this situation. About how far apart from each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field. Neglecting air r9xr3ut.ceqgmc(rj:3 c ,r c4c esistance, which of the following statements would be INCORRECT when the football reach mutq3r c9 : rgxrcc.4(,ecc3jes its highest point.

  03.10: A ball is thrown:vxq871jv y;9 vy mpx ja5i otya-76jq into the air at an angle $\theta$ as measured from the horizontal with a velocity $v$. The horizontal velocity of the ball will be directly proportional to which of the following

  05.35: An arrow is shot horizontal8h*n7 ;v lwhnxzn jz)9ly toward a target 20 m away. In traveling first jv nh 9w7zn;l)zxnh* 85m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angle .ox ox6-4nic iof $40^{\circ}$ from the horizontal at a speed of 24.0 m/s. Ignoring air resistance, what is the arrow’s maximum height above its launch point?

  09.20: A projectile launched from the ground landed a horizontal distance of/fpetfs56nss (id+j8 120.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If the projectile landed at the same vertical position fromd5ss (t spnie8/+ffj 6 which it was launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an angle 6*g 7 uoy s*2iui/hhf63y ymctof $30.0^{\circ}$ above the horizontal ground with a speed of 20 m/s. To what maximum height above the launch point does the ball rise during its motion? Ignore air resistance.

  13.43: A small 1.0kgsnuh8f *mf1 v0 mass is launched from the top of a cliff with speed $V$ at an angle of $30.0^{\circ}$ above the horizontal. When it reaches the ground, its velocity is directed at $45.0^{\circ}$ below the horizontal. Which one of the following choices is the magnitude of the total impulse that was imparted to the mass during its flight? Ignore air resistance.

  09.09: The free fall trajectory of an object thrown horizontally fw .6xqfy/j5-v2 f.4fzlsjbw arom the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the directzx/-j. bfal 2 y64f.v5sqfwwj ions of the velocity and of the acceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws a small obj a0ep5e,lkt.i ect from the top of a building at an angle of pl,e.kiet 50a $30^{\circ}$ above the horizontal. At the instant that the object returns to the same height from which it was thrown, at what rate is the speed of the object changing? Ignore air resistance and let g be the acceleration due to gravity.

  15.21: An object is launched from the ground at ans6mzq ((/ -kvqy+qzcq angle of $60^{\circ}$ above the horizontal with a speed of 20.0 m/s. What is the magnitude of the average velocity of the object from just after launch until it reaches its highest vertical position during flight?

  16.41: A small object qrdx7 (f*tsiem, p-4uis launched 30° above the horizontal from a height of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what angle below the horizontal is the mdsef,uq(x 7rt-i 4p* object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at aj6ygu8 trr ydl -+v17qn angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° 1rlyt8u7 gy qrj-6d+ vabove the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the top of a cliff at an avan,(4r+d 3b vp iw di3)y1ttingle of, daw+rd(3pn3 )v4i tbivi1ty $15.9^{\circ}$ above the horizontal. When the mass reaches the ground 4.33 seconds later, its velocity is directed at $34.4^{\circ}$ below the horizontal. What is the speed of the mass when it reaches the ground? (ignore air resistance)