07.14: An object moves to the East across a frictionless surfapa3zf.4 gd i:nce with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that th.n f:d3azigp 4e object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same speed from the samegsw3gwf ho2w k.9g,2s starting l ogk s2w.s,gg2w9whf3 ocation. 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 o:tz0bb:dq w.2nz uk+ trqx(a)bjects are launched with the same speed from the same starting location. Objn0wqq tu::(+zb.r dzxa2kt)b ect 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed ii gf 8;*j.rcrhorizontally, directly at the center of a target 20 m away. The r ijcgf.8r;*iarrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the samz zdeh :b(a7e9qga4qud*8 ,gie time with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle lu8e gd dz h 9:4*7aqba,(eqgizess than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same hn7dc m/o78bqinstant, a bowling ball is dropped from the / mbnh7d7o8cqsame 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 horizontal tabl hk;u8pg x,:eqe. The ball has an init;h xpq8g:,kueial 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 velob z l7lqg(-8ajcity v and an initial kinet(8jg qalb zl7-ic energy $E_k$. 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 3sue an/-uq d*8wsa3x dropped from an airplane to a herd of cattle bel3e sa-uw8dsu n3q a*x/ow. 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 negligible for this situation. As the bales are falling through the air, what will happen to their distance of separation?

  00.38: During a recent utg(,9 - e;jyzaxtp8i winter storm, bales of hay had 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 seconds. It is reasonable to assume that air resistance will be negl jigputyxa ( t,-ze;98igible 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. Negl vmu wn )zoque+r:0.xus)j. ,+ym ,lffecting air resistance, which of the following statements would be INCORRECT when the football reaeul,v0nu .,sxm q.w fzf))ym:+jr+o uches its highest point.

  03.10: A ball is thrown into thxzmd3harheqx1z 4 ;8j g;ol3- e 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 shoamv/ ,7pzjk- de :/ount horizontally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it willzkejd/ m-,a7up:v/o n fall a additional

  06.04: An arrow is shot from a bow at an angl.yvr/ c :dgh:/xw3t qje of $40^{\circ}$ 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 landilv1 0jdlv.piu 40j63aw4p rp1 vd-oped a horizontal distance of 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 from which it was launched, what was the la-j 0aip1d6v0rll4od.1p vip3p4w vu junch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an an/1mwawwa/m)mb , +eulra:0b pgle of $30.0^{\circ}$ 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 1.0kg mass is launched from the top of a csn 1fh3wuwb; 8liff 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 obj-oce:iqaxz4x q w2*k1fvy)+ yfw. p3dect thrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the directions of the velocity 4qw:q +yf-d) xxep1yi*akwo 2zc3 .f vand of the acceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the tom+t t .,e6u7d, zqpzrqco/j z*p of a building at an angle of */ j6odemq ,c.z ttpz+zu7rq,$30^{\circ}$ 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 grounxymn8r ( 4ue;id at an 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 is launched 30° above the u /0i,irkug 2hyub/4ehorizontal from a height of 10.0 above the ground.0bh,/4igk u yuie2u r/ If the initial speed of the object is 15.0 m/s, at what angle below the horizontal is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40°j e)2q8lboqo- above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes anb- l2joeq)8oq angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-c,)(eren7 q7kx edmbnh* ov/9gram mass is launched from the top of a cliff at an angle of e,cb9/ nhoq*) n m77(ekrvxed $15.9^{\circ}$ 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)