07.14: An object moves to the East across a frictionless kqbx- kg*bunklw.kul :*14 t7 surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that the o*. :-k*w q4tu bkkgnux7lblk1bject takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical maipa0 v (p8fl) wahw0k.ss objects are launched with the same speed from the same st(h.8p) fial 0ap0wkvwarting 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched with the :o z+, 7jwxwxb.zc(oq ycy1:vsame speed from the same starting location. Object 1 is launched at an ang cboy x7.j+wz:(qz vxoc1,:ywle 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 hori-kn6n;4tyj5s jg,,jj o*jlnddk .e4 gzontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the targ gnesjyj-*dgl4 dokj kn;4 6n5jj t,.,et. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the uzpny e(9 sgqwl: +c0*9o(tq gsame time with the same speed. A at an angle greater than 45 dy g*q(+tzu:po9 9nwlgq(s e0 cegrees, 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 horizontally from a)nvp:7uew m2 a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements pvue7:2)aw m nis correct?

  96.08: A ball is rolled off the edge ofg-bk4 bc7hti b7 zd+7ecw7iin0/w ut5 a horizontal table. The ball has an initial spei4 0u7 dbctwbzg7-bi7 e/hkci5tw7+ned $v_0$ 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 initia274m:em p nk/p9upri jl velocity v and an initial kinetic energyuk4r /9mijp7m2:pep n $E_k$. 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 ofcw4gz k nuybo t0 ;a-kjfy:(; dk8w/.f 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 velocityt-u : ;cgkw4kf( zwyd.8on/j0 kbya ;f 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 hladjk6 ;555 fvs0zz /yckde ,fad 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 negligik d f zj;ek5v6y0zs 5ldc/a5,fble 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 ( s,as9 yxrm 0b8fet:+2mn juw50 yards down field. Neglecting air resist 0sjm8r a,+tfwenb:s(m92 u xyance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at an ang2s8o7 bad z9hh;l7vq tle $\theta$ 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 ts9mxcxse7t y9m lb 7dmu-:t:5raveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will famx97t9-ulsxm 5 b7teysm c:: dll a additional

  06.04: An arrow is shot f(6m 1 vtlsqz:rrom 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 launch) a)j d6quz5yted from the ground landed a horizontal 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 thezu6dytj 5)qa) 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 5td 4p3 yoj*fbcr)2 yevem7 h.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 launched from the top of a cliff wiwt+ a z)xft0i9; :k7rs ibc;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 fra.dss-xo cg-8 n*m rf5zrh a *whx442som the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the directio 4h*5xrncg.a 2rwd hfszsox-- 4*mas 8ns 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 az 9l4 gr8zv3o.lu zc.y building at an angle of 98zl u.ocr.yvzz 3lg4 $30^{\circ}$ 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 fromx-jasano+ (9:vw+ c km 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 launc-hhg sx.nr/ 3yhed 30° above the horizontal from a height of 10.0hy g3x hr.sn-/ 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 resistance.

  17.32: A projectile is launched arkuqr7f-r 1 .yt an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectil.7uq- 1fryr kre makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is l33s wwdw8kn/)aalsl +aunched from the top of a cliff at an angle ofa/ww s 8n3kal)l +wd3s $15.9^{\circ}$ 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)