07.14: An object moves to the East across a frictionless surface with /dpj gc:n; f.mpn+hw) constant speed. A person then applies a constanp+fh;)n.wd :pc /g njmt 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 mas wh64yal*kwy .s objects are launched with the same speed from the same stha ww.yk4*y6l arting 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 thjzg5kwb r+ck;bq.) t-e same starting location. Object 1 is launched kz;bbwrt c+g-5kjq.)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 5s) zkgw;ywxljp1y1wo h :t./ horizontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target.:/;jy1sh .tzxwop 1) k5lwwgy Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same tim+l/ 2l gw(6(dwjnibewe with the same speed. A at an angle gew6jlw (li+n b/2d( wgreater 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 a cliff. At the0j 79fndb ripns,f 88w same instant, a bowling ball is dropped from the samij 7nbf89 dfn80,srpw e height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled ofv9l t5 2ifd m.7olv*kkomsu 59f the edge of a horizontal table. The ball has an initiav2vomk.u5l9* 57mit9s d kolf l 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 initial velocity v and an iy1e o/og)hu6p j1xs 7mnitial kinetic ener )o1gyju mp61/xe 7hosgy $E_k$. 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 +1g6 jwi hwsjbd9w :66o4 ls ama6hk4ebe 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, whatw 144gwj:ja6h6sekw +6 bs6om a9l ihd will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped from a0- flvj v a+sos k1-cel448qs.b3hlstn 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 situatctq4ovss 8-fh svj .4+lelkla03b-s 1ion. About how far apart from each other will the bales land on the ground?

  01.14: A football is kicked ax l4hxe5xq73: ao;esv y,im5 u distance of 50 yards down field. Neglecting air resixoxe ;xam,4uyvh5 :ile5q 37sstance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air zgj af3-. 0)gdwls n4kd47al) 9zpghi 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 sh4o.z x-(t0aa4 x/ haz6p2*u fpy ldbenot horizontally toward a target 20 m away. In traveling first 5h2.(0 dux - aezo*laa zyf4bp6t4xn/pm horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shotaup9 3uj ijp*) 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 ground landed a horizontal distance 3ttua,g ;rfb3 of 120.0 m from its launch point. The projectile was in the air for a time of 4.00 sec ,gatb3f;utr3onds. 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 of 3wzn 8m pwr*s06)q ze8usxo/w mr .cp)$30.0^{\circ}$ 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 launchedw,u fzphuf/z. 8w p1-mm-f*pd 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 *)hal+1*cf5k ndh wyoof an object thrown horizontally from the top of a buildiny5 )dclo+f a*h1h*kn wg 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 trajectory?

  02.41: A person throws a small object from the top of a buildza4;,7 t .uz.l5n ivfl ii9.bh 5rfvyting at an angle of fl7.,;i.5 uzh r9z ivt flnayi4.tbv5$30^{\circ}$ 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 ajfaj4v(ej t.:wn 2pce 56 9enhn 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 horizontal from a hnzpdl1okpk.k jc1/2hh 3s 4:weight 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 ghc21nh k.kpspj4z w:1 do/3lkround? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above zcee91in9:m v ;pzt 9gthe horizontal with a speed of 30 m/s . How much time passes before the position of the projectile mzvpe9e 9c;gi1t n 9m:zakes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the top oj *ei67 u*0ap-ff5qib0 :) men azm1ghevhu.rf a cliff at an angle of)h* *vagjzen-rquua h:i 005.emmf6 pb1 f7ei $15.9^{\circ}$ 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)