07.14: An object moves to the East across a fri75f i: jxmbugzb/: 1tys*r9 fq r:lj/tctionless surface with constant speed. A person then applies a constant force to the North on x/fj 1: ir :u*bgl mqt/jrys5 9:z7btfthe object. 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 same speed from mkswg )wqf5yc:(ds 25 the same ssd cq:w(y f5 k)2g5wsmtarting 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objectsbrdvr o h24,4jhni8bs 7;t;aiog / zr* are launched with the same speed from the same starting location. O;7 4vo;h azrtg *hd/bj2,srrn ii8b4o bject 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 the center of a targeok t(3cf8l3hj t 20 m away. The arrow hits 0.050 m below the c ohfc 38(3jktlenter of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time w2 an eg rp5p:u0-vhe7tith the same speed. A at an angle greater than 45 degrees, and arrow B atugna2e 0-5p:7hprve t an angle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same insttr c+kn2 qsvnrg0j17lpke(g :2r z3; tant, a bowli2 vr k gn:nkl(gtt73;qezc21rjr+s0p ng ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rollac tc8d+8)8bmhan6u.lpo w* ;bi7hsj ed off the edge of a horizontal table. The ball has an initial speelchd). *w bu8m ioh+ctsp8an 8b a6;j7d $v_0$ 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 wit+9*qvxut of/.zorc;d h an initial velocity v and an initial kinetic ene xc+dt/; o.zfv9qru o*rgy $E_k$. 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 rece5vgbgnqr,)htf )h33 nnt 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 and dropped one bail of hay every two seconds. It is reasonable to assumg bvfg,qh) )5rt3n 3nhe 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 2 d.bhkkvj+.fairplane 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 apart from each other will the bales lanf2v+ .k.hjdb kd on the ground?

  01.14: A football is kicked a tmr,y s6gp.k(ik *ox*p+8vn pdistance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its highest point.(p*8x,.kk+py isrog6*mv n pt

  03.10: A ball is thr od5;)3xl86mdo5;su l g3satgtpomw4 own 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 horizontally tost 0tvo 92;.6zigz +ijoy0tuvward a target 20 m away. In traveling first 5m horizontally, the arroovv+ts02tuj;i g6z z. 9i0yot w falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot frp 9/xnu 3;yuajs b*-*b8uuehdom 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 launched7)7k+w okdeya8cnb n3xl3uu9m 8cr- e from 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 was the launch speed of the projectile? Ignore air resistance.3 k) cwu8y- n9k ex8ed+cl bn3r7uoma7

  13.14: A small ball is thrown at a9dio n:)yk9gc n 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 of a cl0ne68vu li-2wqa wwub 5gy 8o/lj3ji; iff 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 euwk k8i1elkuy 1w/ :k 71g;pythrown horizontally from the top of a building is shown as the dask eu8 y7gpyi:e/kk u 11kw1l;whed 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 thro y/m; +l2 sv5 +ofp3-fcec2ch,cnuslfws a small object from the top of a building at an angle of nhcff m+cecp5 lsov l-2 3, sy;2fc+/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 launched from the ground at an ecq xx(n 5- tznfj/(z/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 object6yyv s pgzv0y,w/*e5 plih/w3vw+rk5 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 moving when it reaches the grounh0/3 5yvsw6ez lpv5r wg+/v,iyk*yp w d? Ignore air resistance.

  17.32: A projectile is laun6 u l07r;ni,wvq prj-bk djz:.ched at an angle of 40° above the horizontal 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 launch pkru6.j;-:7vjbq0rd n,l w z ipoint?

  14.40: A small 1.35-gram mass is launched from the t)d y94/ dyj)y wzm+sxlop of a cliff at an angle of xdy ds4w)y 9mjlz/+ )y$15.9^{\circ}$ 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)