07.14: An object mov)k( h *hglx/0v*ywmtles to the East across 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 obylmthw /k0**l(g v)x hject takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass object5 *vw7ymafbdiy9a2 /r)j5zubs are launched with the same speed from the same starting location. Object 1 is launched at an ang7j ub9b)awi5y/amv *2f zdr5yle 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 speed from the p)(*2 f57h isb5lyf.yy ipsdf same starting location. Object 1 is launched at an angle of*ys l5yfd yif)s2p p .i57hf(b $30^{\circ}$ 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 the center odb .ete zx,n:xo 6,:tsf a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the se6:xn,.,obxz e d :ttinitial speed of the arrow?

  03.05: Two arrows are launched at the same timj/*-y 9k9xetw 70:o*wr jmg-)f uu6khg fhpbk e with the same speed. A at an ang-)y 0:or*w kpjueuj 6fwbfgx7th-*k9 hkm/ 9gle 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 first?

  95.19: A baseball is throkkp it sj1lzu)(7-9c lwn horizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuminsczk1-t)l u9i p7lj(kg air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. vkp7xsiz3(- )x dxd:jThe ball has an initial sp-:zd) v 7kdxx pxs(3jieed $v_0$ 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 verticalv+n( uxy3qmp3qqe4 dt n/m7(y ly upward with an initial velocity v and an initial kineticuymte/ 3+(yvdqm 3nx4pn7( qq 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 .. 1ixdfky b+nof 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 ar.ixk +y bd.nf1e falling through the air, what will happen to their distance of separation?

  00.38: During a recent w:jaoh5bixa 88s , y4dii;;c bsinter 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 a j5a4s y,xb8 bd:ic8;;oiihs. 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 a( by8uku su+(e*m;at 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its highest po*aat+m (uu8sy kue;b (int.

  03.10: A ball is thrown into the air aw my1.m ah88n;m c50idbvqad4 t 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 horizontally towar7b 4jb+kffb6guida1 3d a target 20 m away. In traveling first 5m horizon7kf gfibbdu1643ab+jtally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow ajyn r;-w- yez(v x m+2obbl-:vt 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 ie579j bhyk t-ja/u.h+a 1mcoa 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 was the launch speehk+i m 9tbj.ac/ua-7 1 oj5hyed of the projectile? Ignore air resistance.

  13.14: A small ball is d4xj 5 fi*xiyh-c: 2h+igg,hithrown 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 launch8t(rvo.:rlw m ed 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 trajectrcdg1d40*bc0zedegv t+9l v 1ory 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 cg*v4gcec v1b9e0 d1zdtl +rd0 orrespond 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 top of a building at an angle o+zkflk11 a8 g.zr-*-5s wxdgs * awwcaf kwas gs ld* -. a*xwrz+5-azc 811wkfg$30^{\circ}$ 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 5,(oacg x( 7-qo o(d lygg.rajfrom 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 objecthwc7d0dp;( ny is 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 mo (0c;ddhy n7wpving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal wib dy/ki98suqu4e 4 b /1qzw-ahth a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20u9/1 /qhe szqb ai8kb4duy- 4w° above the horizontal from the original launch point?

  14.40: A small 1.35-grpo fg+.al83qs9kx +2ve. t a1 mxvs3ezam mass is launched from the top of a cliff at an angle of o3kg e.t1 vm e829als qz+p3fxx+sva .$15.9^{\circ}$ 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)