07.14: An object moves to the East across a fr7.n 2kkgguqq+ ictionless surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that n.k qgq2 g7k+uthe object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are laur- ,m5;ane 0rsu fqc8anched with the same speed from the same starting location. Object 1 is launched at an 8;nf sru-qr aea 0cm,5angle 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 objecul:;ksl,oi-mb *3ml p ts are launched with the same speed from the same starting location. Objecsp;3 liml u-*kbo, lm:t 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 al(7mc;qvd 7or t the center of a target 20 m away. The arrow hits 0.050 m below the center of the target.77o qdm (cr;lv Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speed. A at arsvd0 +:d- qur cpj.o7n angle grear .od-+cdsvqpjru07 :ter 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 thrown horizontally from ap2* bwqxom( b2 cliff. At the same instant, a bowling ball is dropped from the same height. Assuming ai x(2b2b*pqmwor resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolly0)jt-m*nd hm- koib-ed off the edge of a horizontal table. The ball has an initial speed - 0b-jim*dy ho- mt)nk$v_0$ 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 inil4hk (wr/i;ok tial velocity v and an initl;/rohwikk( 4ial kinetic 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 oh d9tz l:ijis 4g*n1 jq0ztx,5f 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 are falling through the air, what will happen to their distance dgjnzt5,1lqizxht: 9i*0 j4s of separation?

  00.38: During a recent winter storm, bales of hay had to be dropq ythnfgl046:ped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 1806lh:4 yqntfg0 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 land on the ground?

  01.14: A football is kicked ah6sn xolh);:d6d m tk- distance of 50 yards down field. Neglecting air resistance, which of the following statements woul )s-hlohddxn m:; tk66d be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air atgzsqd(202 zlv 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 m away. wtdj7f t12r3bIn traveling first 5m horizontally, the arrow fallsrj1t72t b3 wfd 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shotpozm,z*l,(gzlz7lx( j p g)* nm-fy (t 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 g mkyhbrw ef+ t03*/ra1round 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 sametb *wr0 rf3kem+y1h/a 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 angle wbp6a*6j q cdnfa3po.i v9cr3 05vnc0of $30.0^{\circ}$ 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 up mrzjg-;.m8mass 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 b;9ln9tti 3 7yibmw 4lobject 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 velocity7w ;ltbb4i3t 9yiml n9 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 buildi qmvj nmov2-13e72pe3klir,, 7erkyq ng at an angle of eqriq y1o3n kej72lpm2 m, 37kevv-r,$30^{\circ}$ 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 launcho- zs+ias9 il+ ;arau n(t.hy4ed 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 the horizont n6 b5f.xdons7c81zky al 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 ground? Ignore air resist yf5 6onzcb18.skd x7nance.

  17.32: A projectile is launcou hy6dex*cg9+8bh,:jc z y 0ghed at an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the prz:e hxy+ ch68bg*y, d9jcgou0ojectile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass isv3ysoo2mo+g7; n ndq8 launched from the top of a cliff at an angle of d3o7o8qn von2s+g my;$15.9^{\circ}$ 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)