07.14: An object moves to the East across /vj ,cq,ro)th 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 straightjc, vto/),rqh line path partly Eastward, partly Northward

  07.15: Two identical mass objec(k olwch) jj.g8(lo1 gzqx/b;4dvhr+ts are launched with the same speed from the same starting location. Object 1 is launched at an angle 8kv/ l go(bhrl oj1hxgjq( d; .+4c)zwof $30^{\circ}$ 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 mb3vq (b*khzp- ass objects are launched with the same speed from the same sp3k(zbqhv - b*tarting 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 5kxu n s). ,m.+usd8tgmnc9xvat 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) uvxu5gsnt8 +s n.,9.xkd mmc of the arrow?

  03.05: Two arrows are launcharw19u)z rj h0ed 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 sam)whj ra0ur9 z1e spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horpjqh- 9mudfosnr- 8n:6l+d h+izontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which p6h-+ -+sm 8 9rldfujndhqno:of the following statements is correct?

  96.08: A ball is rolled off the edge of a horc ,cru)ax-da.izontal table. The ball has an initial ucc- .ar)x, adspeed $v_0$ 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 upwar y-pllw7l/)x q) du,ue, cedx1d with an initial velocity v and an initial kinetic energyxly dudwe,l7u, xq/-)1 pl)ec $E_k$. 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 dropptshqo9xq/ )*akyt5 h;tk9j3 zdg :g5red 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 distqj/) yhr9;axt*tqsg5 3k5hzd o9: tkgance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped froekn -a(ipe44am 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 bi4a( p- ae4kenail 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 diszmj z9 +f)o;uwkyc: af*qj+ q)tance of 50 yards down field. Neglecting air resistance, which of the following stat zjj)y) fu:*zwmfqk+ 9;qc o+aements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at an angl.ar 7f;. nzieqx0,vfo aw/e/ he $\theta$ 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 travelinr9-gk. usjsocg si46 4g first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall ask .4j-ugss9go4r i c6 additional

  06.04: An arrow is shn s l/lttb g+1s2h4mrbxw(g4f:)gg y 1ot 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 landed a horizonta;wbu 13lkb;u d4u/nob1an 5ckl 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 which5l ub;n4a1 ocu kk und/b;3b1w it was launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an anglxc om,29mpg( me 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 clif p:rleui6.sio:4s 3gn qo 22+ omo1lcaf 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 trajectorygdfogg ,ter9c0 x7 4t1 of an 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 the directions of the velocity and of the acceleration for tcfo,ex dg90t1 ggtr 74he object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the tofm0jl.21z imudd5/ z gp of a building at an angle of 5df1j 2ldm.0 /zigmz u$30^{\circ}$ 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 launc 1on5;ew5 baklhed from 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 launched 30° above oy0n6az k 3york4(sh5 /lqf 1zthe horizontal from a height of 10.0 above thzo/nzy5sr oah(43flk 0kq y16e 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 at an angle of 40° above the horizontalql zb9+6,dzl fn l-w.u with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above the horizontal from the original launc6l qlbz+dz,nw fl-.u9h point?

  14.40: A small 1.35-gram m5 xqdlk ruh)8n-ub2 :rass is launched from the top of a cliff at an angle of rbl-xnuh2r :k )qd 85u$15.9^{\circ}$ 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)