07.14: An object movmkn+hc(6e3nbc(01x px l5e me1j ro9 nes to the East across a frictionless surface with constant speed. A person then applies a constant force to the North on the p3c1o+hr1 05e9nxe(xm 6eknjb(m cnl 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 th76 q(b qp6o wxmfc-.bje same starting loofpw .6c j6qmbb-(xq7cation. 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 objexoxb6rv-oeq5lo.4 a p1 d nhp-9x) vs)cts are launched with the same speed from the same starting location. Object 1 is launchn)54x 1vdbp 9 ves-oprao .xo)hx 6lq-ed 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 targetb3owx:fc zn as. pg:3: 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what wxaob cpz:sn3g.f 3: :was the initial speed of the arrow?

  03.05: Two arrows are launched at the same ynoqm) 0:bs x/d m:tl:time with the same speed. A at an angle greater than 45 degrees, and arrow B at an anglem 0):/o q tlxmdn:syb: 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.0,0 4y uu/wzp/ztgdhyzrveg60+ y. sj At the same instant, a bowling ball is dropped from the samerytwg060gzuvzy dj +4/,./u zsph ye0 height. Assuming 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. The ball has an initytto; 8ojt64 k9):rj xsd7x /intxcd*ijtnoxk6:itx4t) d r8s79t xj* d/y co;al speed $v_0$ 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 y +ru5l18 nxnqinitial velocity v and an initial k 8yxnl5n+uq 1rinetic 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 had to be drop7 1ng k) ht5)lr:elreeped 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 distance of separ1n kl rlh e7)ret5:g)eation?

  00.38: During a recent winter storm, bales of hay had to be dropped f5ow/kp g-x/n)u wu hjvs-(xvv9vb:4lo,* m lprom 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 t 49vg:vo) m/wx(b5pwnlh lop- ux-k v,su/*j vhat 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 down9pru 3zrw 7 vdgi0-,rx field. Neglecting air resistancevurg3 zdx,r7 r 9i-0pw, 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 a zt:ylwy8+q-kelmef j8l nx;v j// 9n)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 target 20 m away. In travel s pes2jn 2ivx20+w-fya(q; j lfnhy.;ing first 5m horijsjh+q0 s xf;i- 2ye2 ;vaf2lyn.wn (pzontally, 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 at r6 *vxyk 59) wl5ffeacan 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 t m2cn)+pb tb7nhe ground landed a horizontal distance of 120.0 m from its launch point. The projeb+bp2) 7nnctmctile 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 at an anglewia1u q flf (s0qq266y 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 c) wwbeep +9in6q:6efk0egt3fliff 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 horizontally fro6jg9dky: zpeti3i2s f d: q8k2m 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 acdipe2 8f:zsj92 :gdtky 63qkiceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws a small objl6f(msu0 l3sd4 yzr:ij -qsm6 ect from the top of a building at an angle of sfisj66m43(:m dull qz -0ysr$30^{\circ}$ 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 grop 7bh.y)d2bqu)pl +sl/;nj sy und 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° t(dprdne* dh-b5xv7 (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 htdr*b dn de(( 7h5pvx-orizontal is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° abovi *7*ymwem f(xmyrm 4(e the horizontal with a speed of 30 m/s . How much time passes before the position of tm*rmwef x(4 7(ymi*y mhe projectile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is lg* 4szyxuvzj eckk 1+ ;,:w:uhaunched from the top of a cliff at an angle of1k;uw u hg:kxz* 4:ys,+czvje $15.9^{\circ}$ 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)