07.14: An object moves to the 5yix; w4ncgtf1w;c u ;4cls m;East across a frictionless surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that the object takes? A. A straight line path partly Eastward, pa;;s; i5nwc lcgy m;f 1u4xctw4rtly Northward

  07.15: Two identical mass objects are l7mjy o06x.c dlaunched with the same speed from the same starting ly odml jx7.c60ocation. 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 nl xs80)d8,qshpabb a6 2-xsk from the same starting location. Object 1 is launched at an angle k-2b)bds 8 sas8h06ln xqx,apof $30^{\circ}$ 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, directlyn2/whrn,6rt, yk *buq at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglectiq,u/hbnrkw26yrt*, n ng air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the samee. 2- no1ln6sdd 1evrm time with the same speed. A at an angle gream1lrvo n6 sd ed2e-n1.ter than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown how4alc*/jwc+s6fr tzwj32y5 n rizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air re 4/ w wafj*3cln+jyrz65t2sw csistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an i :axvfh mzpenz/tw 0ax5( +*2d7c;wvnnitial spee/d;5a:zn + tnz2m0exfxv7a vp*(cw whd $v_0$ 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 velocityfkfld/ y.l e)fyv6 h69 v and an initial kiefy9)f/6d.hv l ylkf6netic 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 dropped from anuk 1s2)7 /ate sic0d*kgiy /tq airplane to a herd of cattle below. Assume the airplane flew hdt iks ci1/u2s kya0q )/e7g*torizontally 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 recen3 rjfnzb :b(e0t 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 negligible for this situation. About how (nrze30b:fb j far apart from each other will the bales land on the ground?

  01.14: A football is kicked a distanco1(usjq7;;hq ,f9drikbl wv1 3orx -ue of 50 yards down field. Neglecting air resistance, which of the following statements wojqf7oh1v 9rokiw3; l- ( surx1d;buq, uld be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown intolb) 3fz5m/ qa- 3o c9yssjxiq- 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 target 20 m away. Intj4 qqd93c y,gtk 3f f/2i+ofg traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally o+,323qgjtc id y94f qg/ ftkfit will fall a additional

  06.04: An arrow is shot from a bow p :qnd ;+re46o 6wsyqk5 bsin0yjzvk* n.cd18at an angle 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 w 0ucvv7ykj * a,e)e9klaunched from the ground landed a horizontal distance of 120.0 m from its launch poinac,e0v9kj)vyke *7wut. 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 e. 3bly 4rxww5is thrown 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 lu 99okth s 0843g:,apjzpcn ilaunched 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 objec2h1 ngqdp6x b+t thrown horizontally from the top of a building is snpq12b xd+6 ghhown 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 at the point labeled P on the trajectory?

  02.41: A person throws a small object from the top of a building a.d f:2 )a-vyz8obwdflt an angle of d )82dfba -ywzf.:lo v$30^{\circ}$ 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 angle of yk 6r0kjxdfie4 ;p n+px3 (vr*$60^{\circ}$ 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 horizontalmymjqjbn o+c7/rc pzgfa8+,4 v 0q2 b) from a height of 10.0 above the ground. If the initial s p c8ja, /mm )f+rz72qbcny+0qvb4ojgpeed 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 jc*1 5oihbx0ec 3zqnw4siqqr498u y * is launched at an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes beforehqrnw* 8 5yoq43ije c *94cbi0x1quzs 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 from the x.xs68ujiqeg ; hxt,2k mn4+ vwat+n,top of a cliff at an angle ofu8t4wg n;,j vxaxn ke,m.ht xsqi2++6 $15.9^{\circ}$ 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)