07.14: An object movesx;eoa r6k9 -dixo5tc 4 to the 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 parti kto re9; 45dcxoa-6xly Eastward, partly Northward

  07.15: Two identical mass objects am (y6u,,wb;as so)zq vre launched with the same speed from the same starting location. Object;wsuszb, y ,(q6)moa v 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 ,7hjs y xv2sqpftsn3zcw- (o o, do04(the same starting location. Object 1 i4dw,oy-f n0jt3 2p s( hqs(vx,zso7ocs 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 horizontally, directly at the+to(idg3saoi4l pf 43 center of a target 20 m away. The arrow hits 0.050 m below the cent 4poio3adsl3 t+(f4ig er of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows ar vcistlz w: ytaeet;h 6)oq.l9r71+ 8xe launched at the same time with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both lle)hct69sv.wtq ix :r;18z ao +ly7teand at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instan hy7**ue 6zwwct, a bowling ball is dropped from the same height. Assuming air resistance can be i*euh ww 76cyz*gnored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball /va af9j ;yhd)has an initia9/ayfvj ;h)d al 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+ych o:r1szv ( upward with an initial velocity v and an initial yz:+hr1v so(ckinetic 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 froi qvympb:2r 94x;xpb n,,xlq*m 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 happex xxqv;i*q4p p2,:9mly bnr,bn to their distance of separation?

  00.38: During a recent winter storm, bales of hay had tox ym9h.c,sa 2k be dropped from an airplan hsy2mkc .xa,9e 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 from each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 -2vm,r3pnnexyards down field. Neglecting air resistance, which of the following statements would be INCORRECT xv 2,epmrn3 -nwhen the football reaches its highest point.

  03.10: A ball is thrown into ppyr5 .iq h)*qthe 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 horibtj nh*d-t,s-* ly9 iuzontally toward a target 20 m away. In traveling first 5m horizontally, the d-9y*ts,ujih l *bn-tarrow falls 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 anr9iy3f .d+kfg 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 horizontal distx12 *zv 9dvrlag 5/uvmance 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 z/r l v5vdavu*x19g2m launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an angle of cdks px r:ly:oy-q6 v49v,u3s$30.0^{\circ}$ 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 with spsrcey8 3 did15)hrq5zeed $V$ 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 trajoutq ; t+/.io i j.,kbg80cevcectory of an object thrown horizontally from the top of a buildingi8 +0o; bv/gckejtiut.,c.oq 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 at the point labeled P on the trajectory?

  02.41: A person throws a small objexm:6* wxc 8usoct from the top of a building at an angle of sx 6:8cuw m*xo$30^{\circ}$ 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 ls 26/v3l cpv a 7 m3uc5wcca45uxzgut7aunched from the ground 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 hori.d/w* )ux8icjzo1mlbvxz rw99 cy (e6 zontal 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 ituoc6viw cm z .xr*j xe9yl9(1db/ )wz8 reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal wii+y, pj *+rpqnth a speed of 30 m/s . How+jinpy,+ r *qp 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 launcgznb ):ia-btjc0 xv20hed from the top of a cliff at an angle of a bg :20cnj)0btzvi-x$15.9^{\circ}$ 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)