07.14: An object moves to the East across a frictionless surfac tmth3p :k6iw4e with 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 straight line path partly Eastward, partly Northward4tmw3:h kipt6

  07.15: Two identical mass objects are launched with the same speed from the sa+e2q ws-/wa z+3ldkgtmezqseg2/wda3t-++ lw k starting 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 objects are launched with the same speed from th;sa91p7td-+5iivbi j ch,o cp e same starting location. Objec+c 5opdsc7 i;9t1pa -jv,i biht 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 cenau1srpuw ;p++ter of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistan up;1ra+ suw+pce, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with th7pd k(m7n 8qeqe 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. 7(q eqk8 ndmp7Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same insta3kjfkd apk/53(. fu52swhfm5n) dfr dnt, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which okkfp(h kwf5ujn2r.)smd/ d f5f33 ad5f the following statements is correct?

  96.08: A ball is rolled off the edge qh4sn y/n -o :vprcd405 hql;uof a horizontal table. The ball has an initial spe4 hh -qo/vnnp5sq4 0 ydlu;:cred $v_0$ 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 initial v )vtu4pq,pql0. 25r qtz :s ju1u,z*ut d*lhjuelocity v and an initial kinetic u5 udz 2ju j,rt:)pp .*us1u,vtlqq q04zhlt*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 yuy5 .4ujzz2 bru6s5ahay 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 everyu ubsu5jryyz 2a.5 z46 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 ozhwl;(, ;u,qyded fhoi.zgm4x c/rn 2e:6(ykf 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. About how far apart from each other will the bales lan,qg;z4kiz . he fdm2ly h;:on u6c /x(d(erw,yd on the ground?

  01.14: A football is kicked a distance of 50 yards down field. Neglecting air ug8+it;i ,q r-;zzaairesistance, which of the following statements would be-zr8izi qagu+ ;a ,i;t INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown pps76 q 2:pwb; 5 gbe(m:o6j2x nhreyrinto 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 4zps(h :e-zcd el.qwvi7,g w9toward a target 20 m away. In traveling first 5m horizontally, the arrow hw i7zs,w eq: gvezdp-4c(l.9falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from q fs: 1ivvr8 3iw9 b(a:snl0hya 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 ground landed a horizontal distancepogdo3 bs1o768tr+ iq of 120.0 m from its launch point. The projectile was in the air fgpi138oq6+d o tsbr o7or 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 angle ofe3pbx+uljn l/ o(gp dy/5;9 e/gl 9roh $30.0^{\circ}$ 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 il ful4p9cd;k.s 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 throwndz7x/ ,jkdnl2du+ f ,h 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 velocity and of the acceleration for the object at the point labeled P on the trajectorn/,dz dhu fdxl ,72k+jy?

  02.41: A person throws a small object fruz :tk: ;d7cl7.zrw (,vv wbtdom the top of a building at an angle of t( r;wcvu7dt,7bwzv ld. :kz:$30^{\circ}$ 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 grounb2d d6ap7(pxa d 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 objec/;: wr o5ls4ygxw;a4anyfgl(t 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 ground? Ignore air resistaf gal:;4w sgaoyl5/yr (4n w;xnce.

  17.32: A projectile is launched at an angle of 4+kebzy()7r z)m z- sqx0° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle ofkmsez7-r(b+ )zqzxy ) 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mas y7z *u, kby*vl1u7swks is launched from the top of a cliff at an angle of w17klv,7y*s *bkyzuu $15.9^{\circ}$ 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)