07.14: An object moves to the East acr dsj6de2wvk0 .gz9p-o,r9ec5 x m o+vyoss a frictionless surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path6xr,5oc wzy-.s+v godd9veem9 p 2 0kj that the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same spee7cqrv,4g bwi3 95q+zbvujgr: d from the same starting loc39cuq4 + ,vgibz5 :wjrvqr7gb ation. 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 with the same speed from d6ih ;b4rw1hr(c:c pugxrpchb74 3.jthe same starting locationhw ir.gpr(;h 4jc 7pbc1 6xh 3rudc:4b. 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horiz.t+vee0 7n py6*dsml jontally, 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, w+p snm70ejd *e.t6l yvhat was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the snh; qmlw* mai8f),3iyame speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees.;mlwi*m3yf, hqa)n8 i Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a a5vjvdd8ngh 6c, - b5dcliff. At the same instant, a bowl5b,58an-v c d vh6dgjding ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rollen; k 5rvedvo 6 8r/u++hhmj3dwd off the edge of a horizontal table. The ball has an initial+r;v8d hrn /3vemdukw6+ 5ohj 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 thrgdw+58keoh 1uw2poe5 own vertically upward with an initial velocity v and an initial kineticwg 25ode8ehu+k po51w 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 8-i7qzvz sg viu6 9md3had to be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitudq9i- zmuz 7ds6v8vg3ie 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, bales of hay had to9 q)est:rmnlzz r35-jo*r ;dsle6a 4q 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 negligible for this situation. About how far apart fromze z;oad:3llrr 4ss6e q*)9rn -tj5mq each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field. Neglectigxgt.) 7o -uc:kg 2-mgo.aqzo88 k iyrng air resistance, which of the following statements would be INCORRECT when the football rtio) k 2z:.-8u87m.o kgrxgg- a cygqoeaches its highest point.

  03.10: A ball is thrown into the air at an angle 41 grmm 2+nfwv$\theta$ 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 target 20 m away. In trpmxa ixhyxz 08im(./9aveling first 5m horizontally, the arrow fx (yip9ihaxzm. x/8m0alls 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 an6ifv/:wwu6 .1a8hbgm vhhsh9 gle 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 landed a horizontgg)e) (nm. 4yyewhhu7 al distance of 120.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If the pro)hh4uw ge) y (7ygmne.jectile 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 th vjj4hyk,66k w2wg2yyk(k/9y+v kf zprown at 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 lau fi fr3.gjjjlf6as* 2-mgn63j(e j:z dnched 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 qsdyc91+h5 m;lo1tf 6o kzj-eobject 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 and of the acceleration for the object at9tsc1oej+1l -;d m5 zof6yqhk the point labeled P on the trajectory?

  02.41: A person throws a small object from the t8n7a(n1ind wg op of a building at an angle of i7n8w( n dgna1$30^{\circ}$ 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 sguylo(7lc pb85u,0r 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 horizkwp8(7:fw u , qeqezn6ontal from a height of 10.0 above the ground. If the initial speed of the object is 15(wu ,q8pee 6n7w kzq:f.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-)sy 4u(lod ieeo1:k9:jsf ad at an 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° above the h1ie s4e()l-jk o:syua:9dd of orizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from h7 5aps3;xtx6ra.e mgrkfg1 6the top of a cliff at an angle of a.px; mehas 5r 1f6rtg3g7kx6 $15.9^{\circ}$ 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)