07.14: An object moves to the East across a frictionless surface with cotyhw1t2 qn1gt/-xi o,mn1);z2vfam (o ; ycch nstant speed. A person then applies a constant force to the North on the object. What is the resulting path th (y;om-2cwa ct/qhtvt x;i1)my o11h,nf2 n zgat the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launch8qdws/dmu0i )w-* ldkf9b ug.ed with the same speed from the same starting location. Object 1 is launched at an angle of*w8mdilw-d0q.f /gkdu ) sb9u $30^{\circ}$ 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 with the same speed from the sam mof kutx(fnn 7+0g3a.e starting location. Objegxutn+7f fo .ank3 0(mct 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 horizon tw6qu;, i8* j+2 uiiri:x7yg:kguyvj tally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was thejt78r;* 2ggyux:iwii u+iujvk:, 6yq initial speed of the arrow?

  03.05: Two arrows are launched at the same (ecd2p7rr u5-m plz/r d o3u+ktime with the same speed. A at an angle greater than 45 degrees, and arrow B at an anglecld o(zupekr d3-/5 p2r7+umr less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is txge rp5w(uhnr2 wb041 hrown horizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the follou pr be1(w2w4rgxhn0 5wing statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball hav7echu d u i(h+0mwv+*s an initial spee(cuw*v+7d hv +0emiu hd $v_0$ 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 velocity 6)r vhmu *g7mev and an initial kinetic ermmueg6 )v 7*hnergy $E_k$. 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 ojvw (yvks )c20hf,ue 3f hay had to be dropped from an airplane to a herd of cattle below. Assume the2e(hyf)j vs3 wk0 ,vcu 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 winter storm,xg3+ny tagk5qyvy u3 e8zxoy+) m* ::z 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 aqkz3 ugyvzx+: amt n) oxy85yey*:+g3ssume 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 distano l01:yqp7p 1gr:t dfjce of 50 yards down field. Neglecting air resistance, which of the following statements would be IN l:01qpy7jdgrft1op:CORRECT when the football reaches its highest point.

  03.10: A ball is thrown k gq;j,.qtp,6q.t 4hm+ext wkinto 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 horizontally toward a tac;vl g8. jz:efrget 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In tr:jefl.cz; vg 8aveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angle ow6// m56mswy1 fcupj tf $40^{\circ}$ 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 umlzc r).w,clp.2 e1tt54dfxa horizontal distance of 120.0 m from its launch poinuc4) pfx5zwrl .l c ,mt.ted21t. 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 launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown 9 iqga i+j2x8wat an angle 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 fr; s/aukv:)dlneu fbsri/)) r g,t6ip8om 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 trfb x)/ a;4m.hrk-zgf0 7b5ajhrot) syajectory of an object thrown horizontally from the top of a building is shown as the das0 b ft;r7zb 4aky)jrmo-s)f5 . xh/gahhed line in the figure. Which sets of arrows best correspond to the directions 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 object from the top of a builds66kd.m; ,kgpglsy d ,ing at an angle of 6.pmdl,g, yks sdk;6g $30^{\circ}$ 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 an angqqvh 8f nw agff (fo(uc,-j8.:le 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 horizontah zal (ah*vif09/ 2j-;llytcml 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 object moving when it reaches the ground? Ignore air resistaah l0(/ z-2m a9vi*ht;fjlclynce.

  17.32: A projectile is launched at an angle of 40,qr gz )u4tqcnm/g -4t° above the horizontal with a speed of 30 m4)rq 4tgn /,uzq-mctg/s . How much time passes before the position of the projectile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched fro3n/m;+z 6xzm6w+sx8u aesm n7 ng pw)gm the top of a cliff at an angle of)w8zssgnmx+n6 w a7g mznp6+ uxm3/;e $15.9^{\circ}$ 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)