07.14: An object moves to the East across a f+fmjh/u;ll s l3z9 +edrictionless surface with constant speed. A person then applies a constant force to the North on the ob+ z + 3e9mdsulhj/l;flject. 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 ;a7+i+vms pcyx6xdk7 opih: h.ih;4bsame speed from the same starting location. Object 1 is launiia :+4s phb.hdmxc;+6 k hpy7 o;7xviched 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 ob)r /2ksmna3xu (jx :holzyo56jects are launched with the same speed from the same starting location. O)koz:m(hao2jy5 36xx sun/ lrbject 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 thr- a.9mif-i akh/v/gte center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting ai mahg-/kvt/ -ii ar.9fr resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speed. A at an ang. xr8j/njj3brv ui 9d1le greater than 45 degrees, and arrow B at an angle less than 45 degrees. Bot. rbj rj iud/13nx9jv8h land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At f m in2edf0zj:4jei8 +the same instant, a bowling ball is dropped from the same height. Assuming air resi+28:j fn 4e0miifd ezjstance 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 inie7a z5na6xbz-nc ; 2rtti6n z r-a2b;z c75tnaexal 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 upwno+ r5s4y) pc3 hzp3hvard with an initial velocity v and an initial kinetic en z 34hr)op p5nyvc3sh+ergy $E_k$. 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 droppeqi;; ep e0zu++nn bkp3wd6 kk,d from an airplane to a herdiuwek p 0+ke nk6zdq,3n; ;pb+ 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 distance of separation?

  00.38: During a receng,kj 2h +fu/qmbwm.7f t 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.2g 7bq/,f+uw jfm mkh 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. Nesp-b5ah)p.( if v)/2sr orjm zglecting air resistance, which of the following sta /zs2 srfr pa5(oji-mpbv.h)) tements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is throwo8l p.7vs0p3m14zh- kpl id wvn into 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 ahujt/ q)*s9 typ17tyhorizontally toward a target 20 m away. In traveling first91s7q *t pjy/t )uayht 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shce8 5ib83yrtt8ytt b (s.ll,1 swdf) mot 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 lank 4qsws 2+e+8t m)chwmeo.5zdded a horizontal distance of 120.0 m from its launch point. The projectile was in the air for a time of4ezdckwt2s m h8e w m+so.5)+q 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 is thrown at an:rxwro; bv2fryjjqh.b (a6 z61gi*p6 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 tol- xn3 ;o2ja.n/chyhc 4dyrc. i 18wdep 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 hh+dap xq585f 7y8wte gorizontally from the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the directions of the velocity and of the accedwp5e 8ax 7fqg8ty +5hleration 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 at ksa;h6 z;f;nur rw,6d an angle of kzsanr d6w 6;r,;uh; f$30^{\circ}$ 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 fromn bdnfwp-p7oqa:45q4 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 lau,0z(hk g1iw cl:z mp; 4ehjr.cnched 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 what angle below the horizontal is the object moving when it reaches thcc kwz :40;p1.gehl(i,jzr m he ground? Ignore air resistance.

  17.32: A projectile is launched at an ang:w;jk bpj2 5ri8q,or zzg2 cg9le of 40° above the horizontal with a speed okcowr28;q,jzb:gpg2r 95ij z f 30 m/s . How 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 launched from the top of a cl6qbji(p.+75 xtthka xp;i/ z miff at an angle of tjhx p6ti m;5+x .bikz (aq7/p$15.9^{\circ}$ 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)