07.14: An object moves to the East across a frictionle hqnd3d)v wh):ss surface with constant speed. A person then applies a constant force to the North on the object. q3hn:vd)h)dwWhat is the resulting path that the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical ma4tuqm3g+517 zgiffwd ss objects are launched with the same speed from the same starting location. Object 1 is launchmg f 4g5+w1q3d7 uftized 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 fro1 r6e 6u*lgcf(c 1djcim the same staic61 ulcgrj(f *ced16rting location. 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 horizontally, directly at the center of a target .u hu16fpz -zrlhz :w(20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what wrz l:.uu h( 1-6pzfzhwas the initial speed of the arrow?

  03.05: Two arrows are launched at t)a x +ykw9e:y7a csc*hhe same time with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less tahexcawy:k*9sc+) y7 han 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the s,xzd 0v 0dgcm6/l;d(r einl2f jm1ml(ame instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following d(g6/jlcvnf x l0;rmz ldm0e ,d(m12istatements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an iniy kbnrusn95):tial spk 5nr:yu )bs9need $v_0$ 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/ (t 0v)qc /khgjrv9rjal velocity v and an initial kinetic energy /)krrtvgq 9 j/cjvh(0$E_k$. 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 dropper0wz, vr 7y1rjd 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 their dijwrr70 v, z1yrstance of separation?

  00.38: During a recent winter storm, b5;va p 6eic+vbales of hay had to be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of v5p +b vc;6iea180 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 yards down field. Nei-,sp;cbop enb63y4tl,z q s0glecting air resistance, which of the following statements would be INCORRECT n sc,,eq06iz bo3sl4;-t ppybwhen the football reaches its highest point.

  03.10: A ball is thrown into the air at an angle u9;w cq0i4ln88 ur/ hbebb2mu*w7 soc$\theta$ 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 horizo xp**.t:ewmss7*drc k5(wpdzkf sg:koc50d 3ntally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it wirsd*pc0 sx7wwzk 5 dm*:(5pcfk :3go* s detk.ll fall a additional

  06.04: An arrow is shot from a bow at an angle of vt t97 d 2d-f-+gy;.l ecpeslb$40^{\circ}$ 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 distance of 120zz *gbcq9 v5h8.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If the projectile landed h8zc5 9qg vzb*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 at an angle l3aw(e(6)(ik n-wvgc p9nidxof $30.0^{\circ}$ 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 l bbnh7 wimt,25 p7gga60g*r feaunched 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 object thrown horizontally fr f*u:t/ubk k05j: tht t1f)ja,2qw swmom the top of a building is ,t1mw2/tjt)::5 ut* js b qf0wh kkuafshown 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 fromi hgivob8f s7 bv7m:ml/1-a)m the top of a building at an angle of mbasmf)h/1-im 7v i:8 vlgo7b$30^{\circ}$ 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 o w-x wnry3;a1uf $60^{\circ}$ 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 horizontal from *yj8rvouy+o (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 re8rv joyyu(*o+sistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal with e3 yzdbg3;6u engt +9 , qa;wkz)-dbada speed of 30 m/s . How much time passes before the posi;)q-3b+dwb;nky zzd ege3a d 9u g6,attion 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 ;w/3j5e8fmwlg9,bl uff (uo a top of a cliff at an angle ofawfu ,mu l 5glo/93b;f w8(jef $15.9^{\circ}$ 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)