07.14: An object moves to the East pqri9,7vc ms)9:bvu5 nf-ud hacross 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 pauvr,9p7-qc)fsiv:u 9d mn5b h rtly Eastward, partly Northward

  07.15: Two identical mass objects are launchm;.,vr:8fue5s g4qtk .sb xy ped with the same speed from the same starting location. Object 1 is launched at an angl,m .k;x qs.ybt4g re5:p su8vfe 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 lauwg4ywmeg6ld+e( 2 +istams 13nched with the same speed from the same startigms+2+1w 6 (g4mle saw3dyt eing 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 aitd d/zkm); 3bt the center of a target 20 m awakdt ;d/ ib3m)zy. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launchbk 1q;6 tnbgvr kz/qx q,)l1x/ed 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 land at the same spot on the ground. Which arrow arrives fr,)qtklzb //1qvn;xqx6kg b1 irst?

  95.19: A baseball is thrown horizontally from a cliff. At the same inst3avj p4/xi 0uhant, a bowling ball is dropped from the same height. Assuming air resistance can be ignore j0h4/ ipauv3xd, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has a449* 7owk wpmxf5emvp n initial speewm 4vm 5o7wpx e9p4f*kd $v_0$ 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 throwa25adc -c bk:vm;mfd3n vertically upward with an initial velocity v and an initial kineticbcka;md3 a:m5v2 cf d- 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 h+-s+,a:qtstjj8 v xn qe p;1bmad to be dropped from an airplane to a herd of cattle below. Assume the jva s,q ;xpj :-1ttqn+me8 b+sairplane 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 recent winter storm, bales of hay had to be dropped from an airg99+ .nvodeikplane to a herd of cattle below. Assume the airplane flew horizontally inkdv .e9g9+o 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 yards down field. Neglecting ai rq.d vu19d3nor resistandn oqu.319vrdce, 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 a4-bfp+ jjilps8e74xqvudt(0od .v. c n 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 toward a tar wh7k4mz 8bu kgc1*,etget 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fal4 , g*k1wmbzetk 87uhcl a additional

  06.04: An arrow is shot frokd0dcc)jm0-)i c 0*eh*ioz3mfq+ ywcm 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 landed a horizontal distanc1)4i. g9er l eppn9* xbogtak0e 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 * nepa.e 9lgtrg0 i9o)b1k4xp launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown,v026d iqc1r3lat il c0)tgh*sj o1zc 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 launu/r* * gvpr+qy*das) jched 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 (igita* n:y/;s:ql ty. 8 drmoan object thrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to thlnsi/;y d y*tqi tma:o. g8r(:e 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 to30j 5vbbt -xdbbr2 ot.p of a building at an angle of jrbb0 tx 3-b2bd5tov. $30^{\circ}$ 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 )s lz zv8dtb* .pl(eu8from 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 objecp. 0c6w wmxp7rt is launched 30° above the horizontal from a height of 10.0 above the ground. If the initial speed of the obje wcppr0x67mw. ct 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 at an an*rnbv8x )/yxo gle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes anx/)vbx r8ny*o angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from tp :5fzwjv +-om,piad2mozv/ekn;8g 1 he top of a cliff at an angle ofjimvvmz1oe,8 wo5p g ;afn2+k:p -d/z $15.9^{\circ}$ 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)