07.14: An object moves to the East across a frictionless surface with convu *cskbah*ileb 0:03stant speed. A person then applies a constal00cub:i*ek *3bhv sant force to the North on 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 ob;b wo* bfbk26wf tu+k2(nuyx(jects are launched with the same speed from the same starting location. Object 1 is launched at an anyko(2ff*6bkw u;w+ 2b t( xunbgle 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 spee4il utw:q)uqt s 51h1sd from the same starting location. t iqu 4hussq1)5:w1tl 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 horizeuwi9r2jq+, lontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of 9r el,j+2iwuq the arrow?

  03.05: Two arrows are launched at the same time with the same sp6 npu; w/od,cba 4 yc(j y:gj3oob9u5peed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the same spot on the ground. Which arrow a(jcob6ou3o4;/yu 5 napj:wdbg y9, pcrrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same ip . ssoza8g9lurq82q5 nstant, a bowling ball is d sroqsq. z 952a8lpug8ropped from the same height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal tabub6pttpb( s8)le. The ball has an initial ppsb68u)t t b(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 initial velocity v akoner:u;+ lq3 k 0f*jand an initial kinetic enerq lafonur 0 :*3;jkek+gy $E_k$. 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 w895vb oys zjuoae+:b8 inter 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 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, whve5u+o :oby8 jazsb 89at will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be d (( v3p v eloy:7b,6isctuvh1bropped 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. About how far ap,ebiyb1uos7 3hpt v6v(c lv( :art from each other will the bales land on the ground?

  01.14: A football is kicked a distance of 5zs/ 8dpz)enzt;jc 0w, 0 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches itssjn,c;pzw zzdt)8e 0 / highest point.

  03.10: A ball is thrown into the air at av-a0wogz w+;jn 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 horizontally towar4 j;5o*tanlh;tmxt*yd a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally t*no;jlta x5;hmy 4*tit will fall a additional

  06.04: An arrow is shot from a boj0cpcqw 5* .vo/;s fvtw 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 frd0cf. (q n3yjrom 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 the same vertical position from which it was launched, what qr0yn.c d(jf 3was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is th39oc7l-)lx /zl qcn)igm2sv brown 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 bs5bnb-ph/tky t,- + vof 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 from the to d5 2yjx bq3wmw 85xd,+ouaow,p of a building is shown asw dyxxuowa, oj bd28w3q,m55 + 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 from the tdl1iv4* i f5nmlq 5.xpop of a building at an angle of .*nlip 145flxqmv5di $30^{\circ}$ 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 ttb487 0 xlvdzr(vb8bshe 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 ivu uz5+:fraxe/g e 04itsmq(t+) yuc;s launched 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 the ground? Ignore air resistav uzxq0;mtuf+y) g/( +c4eeri asu:t5nce.

  17.32: A projectile is launched at an angle of 40° above the horizontal 4v8y2ohf;,e gwu ge)dwith a speed ofy8d)uowg 42 e, ;hgevf 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 isg;wl2d u.t/ kav t1va8 launched from the top of a cliff at an angle of u1vt ak2gl ta/vd;8w.$15.9^{\circ}$ 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)