07.14: An object moves to the Ea0w do54b z4fp4d la1ilst across a frictionless surface with constant speed. A person then applies a constant force to the North onld5 4pld za1o i0fw4b4 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 launched with the same speed from the sbf wk4 5;h l.oe4cohc2ame starting location. Object 1 is launched at an angle bcl.c k2 4o4ew;fh5h oof $30^{\circ}$ 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 samel1v n1q9pm: we m.yjz. speed from the same starting location. Object 1 is launched at a. zlnm1v1ew9m ypq:. jn 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 ok ok y.aa ny09n:w;h7at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting a nyak.: oka0n79ywo; hir resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same sper xk3 w. pu5*u;iv7pgta09 ujxed. A at an angle greater than 45 degrees, and arrow B at an angle less than 4j*u;9 7tkpux w ar.gpi50xu3v5 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a n2+et9g:qw7njc stk( cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistn nsc7:+2t( wq kjgt9eance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a ho vf,v(- 9rf9rpjr6kcn rizontal table. The ball has an initialrff pk(jn96-c, vrv9 r 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 initi; ay/ xcw.6,ey +ntuxial velocity v and an initial kt6+nw;cx,ae .xy/ iuyinetic 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,qc+ lcqsb(2/s 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. As the bales are falling through the air, what will happen to thebss (q/cl2c+q ir distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped from an air nudx pt92alz7;*h( a s1ypwr0plane 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.l nr*t1s;7xph(ad09apuz2yw 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 fiexug1 3rx8 h-bx/ 4(bf.(nbsuc j5a gyzld. Neglecting air resistance, which ogjy sur( g xu(h8-fnc4b.xz1a 3/5xbbf the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into wue94at*35)1kw.de(knamuu vli r v 0the 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 x3w. ++ ujkmd/nwq0zg-a,uok horizontally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. I-. k kqn/ adx,zmj3g o+uwu+0wn traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shoa(:cxc u o0yi8t from a bow at 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 launched from the ground landed a horizontaltt q ;ori7 5+rb+3cvdq 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 launch speed of the5qt+iotq3 rrc+d bv7 ; projectile? Ignore air resistance.

  13.14: A small ball is thrown at an angle q:i+tydz-lj-: o1fyn 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 cliff withu9sdjm t 1kobn84 i(/c 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 horizontalmzz66 b4ac b2 ku9+q+ep.loxo ly from the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the pzb6co2+9b4la mxku.o q6 + zedirections 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 +keb8i(l ehaw.mu :e, 2zwt9nect from the top of a building at an angle of 8ti:le+,h b29 u wae. wknzme($30^{\circ}$ 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 og-yx.bxfw9:6lusk ,xp +/ xq$60^{\circ}$ 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 launz pg4tl d*n16kched 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 whatk4gtnlz6 *p1d 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° above the horizontal w ;eow. ( jur k1n9hctqm*7kfs2ith a speed of 30 m/s . How much time pass;qj 2.mh(k9orfcwe *st7u n1k es 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 from v uehf9b ,9h1v *1e6q7bchywgthe top of a cliff at an angle offhc,h6qb79v vebhe9wu *1y1g $15.9^{\circ}$ 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)