07.14: An object moves eh/-i fryoa+sey gp t+8g9;w,to the East across a frictionless surface with constant speed. A 9,h owgefi8pt/s ;e+y-g ary+person then applies a constant force to the North on the 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 arrv(wf 0 8(s mrseom3t*q3r4jte launched with the same speed from the same starting locarqsjes0 fw34(3vr r tm(8tom*tion. 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 objeo2ue85z m5c dk gn;v4tli-8iicts are launched with the same speed from the same starting location. Object 1 is launched at an angvmu85 tzogil5 -2ed48ni ikc; le 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 la )x3z m)---- huyxazsb ai1ga target 20 m away. The arrow hits 0.050 m below the center of thah-z1 g-lu iz ym)x)-ab3s a-xe target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same t dh15z. 74oqaw(cnah dime with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land a1z hndd.a47w5(ah cq ot the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally frol *fxe luu5 0))h0q3jg)yemx om a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be i m 0 qfulyx)hu)xo3je5*0elg) gnored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a hor v3gyu*7/l2b1szhywg izontal table. The ball has an initial 31vu ls7hg2wy by*/gz 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 upwk4 ,4nte :bbtlefn( u0ard with an initial velocity v and an initial kinetic ener4e(uln f4k0,:tbten bgy $E_k$. 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 wq hfx *i2,eorji;o,n( inter 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 assume that air resistance will be negligible for this situation. As the bales are fi jn(qo2xifheo, ;*, ralling through the air, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales of 2c4 mcdylfnp2(ncn)4hay had to be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude p 2c) (y4f4dm lnnccn2of 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 land on the ground?

  01.14: A football is kicked a je2cru-c2 bclsa4f 2ei+:h.epb(i) qdistance of 50 yards down field. Neglecting air resistance, whichi.iqbuc ) j(-h2:es+pe2ebclraf4c 2 of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the a 7p/o sywot4,-2 zempkir 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 m away. In g7u6fu w*ndhx,kbq09 traveling first 5m horizontally, the arrow b*qndf079,wku6x h gu 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 a/pjz2 p.m +c kn3)/bvf1ner*i /ifpk jt 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 a horizontal distance of( u tl32;q5d (kud*atd9mshsp 120.0 m from its launch point. The pr 3u*ushdsla9qktd( ;5(md2p tojectile 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 tpt5)shzv k5y+hrown 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 launched from the top of a48n57h d vw-h)pwunwg 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 objyr alvw7i3( g- )lutj8 ,w7 0l*tdajwiect thrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets w 7vg3 lari 8iuw)0 wjl a(tt*lj-y,d7of 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 throws a small obje/ rgxoxr,v-(3k w6 zguct from the top of a building at an angle of 3krrx/gx(-o 6v wz ,gu$30^{\circ}$ 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 angl7r+ r ,(rxlgwpe 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 horizontal from a height of25bew pk+n+*l .tq:yi/ l+zs3rwbpqc 10.0 above the ground. If the initpp q .zbe +syc2+wqb :ltw+rnk5*/i l3ial 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 resistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal with ;:jy)f4x l- ajpb jor*a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° p*f;:jbjyo aj)r4 lx-above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched o h wxdb/)a(7vfrom the top of a cliff at an angle ofd w)vb/a(xo h7 $15.9^{\circ}$ 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)