07.14: An object moves to the East across a frictionless surface with hz o,*brj;cdw6 ;j82 fiwra.j 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 strairiwzj;a b whrdj 2c8 *6jf.o;,ght line path partly Eastward, partly Northward

  07.15: Two identical ma ud/u ba7yhrx57tim 6ah8 15stss objects are launched with the same speed from the same starting location. Object 1 is launched at an angl57iuaus8/a tty1b 5d7h6hx rm e 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 s55eooq7,jm cc 7b hyc/ame speed from the same starting location. Object 1 ism/qycc5 o57 ,hoe bjc7 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 ta:gundf+ wo0 d6rget 20 m away. The arrow hits 0.050 m below the center of the target. Nfw +:ou d6dgn0eglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the samcuykpl-1 gm z3xcd,8 35 4 fb*(uzbnsf*+egpwe 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 b33p d(z l+f5 x,8ynfgzc4*seguw u*k -mpcb1arrow arrives first?

  95.19: A baseball is throwo k-:fx;g*tnmn horizontally from a cliff. At the same instant, a bowling ball is dr mfk n:-ot*xg;opped 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 veh 8fjgu:z-fd5/r 2x2boot 2edge of a horizontal table. The ball has an initial speed j222d8 /xo:zuv fef ht 5br-og$v_0$ 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 initiag8wqth z( ;2ell velocity v and an initial kinetic energyh ze8w;qt2l (g $E_k$. 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 dropped from an kf d vcc,p4 t/dd3v1mvyjo6:3 airplane to a herd of cattle below. Assume the airplane flew horizonta3d: ,v4/dmtvco1 3dfk6 py jvclly 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 bee)xh2e:t l:2 xfj ybp5 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 assumee :hxt2 bp:5jeflyx2) 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./q1wmw dj bv9 *o9ac0k rv9yz field. Neglecting air resistance, which of the following statements would be INCORRECT when t0 k9r99zjcv1v/dm owyw *.qb ahe football reaches its highest point.

  03.10: A ball is thrq1b op 15qlup 7db.6j: xgso6pown 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 toward a target 20 pf+pla( me4hf63(p qxm away. In traveling first 5m horizontally, the arrow falls 0.2 m. In trlq3x4pf af (e( h6ppm+aveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow b5 ( krm(yg:lysxx-yijy5; ii9w(os 7 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 grounm9glkvu7332s 7y-zyef ll; twd landed a horizontal distance of 120.0 m from its launch point. The prsl2k yumvt9 g3zwf3e;l -y77lojectile 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.

  13.14: A small ball is thrown lob5+lm4x 3i8) uoasbat 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 mbom-za.-biv 6ass is launched 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 an object thrown horizontaggsyb qvjj ngk 0u)j.)2v- lc74i8 4fllly 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 the object at the point labeled P on the trajectors-k)y482j nflgv gbijlg 4q 0)j.cv7u y?

  02.41: A person throws a small object from the top of a building at an angle o5atp7b(6/l 2r yxa anmtkm0w*,,omm z f *kb7nm ra ,0tz/l5t(aw2ym6moap mx,$30^{\circ}$ 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 8c ;x 3tjv2in1g4ekmnusm* 3m 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/xpjmvgg,02z/j 5x bjmhrr.) 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 grm 5x.hvm)j/g z2/xjjrb0p, when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched hifo:f .(s e.pat an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile misof..h :ep( fakes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the /2 f0eb cvj8yktop of a cliff at an angle of bcf/8j2ek vy0 $15.9^{\circ}$ 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)