07.14: An object moves to the East across a frictionless surface with constant 4c brr3;6u/)3eodhy ft 4a lmlspeed. 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 patd) uh4by e f33l/rr4;a6 lcmortly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same s 0)mxruzi30)xmeo 2akgo,l6g peed from the same starting location. Object 1 is launched at an angle ok x6 oi03g )x,lmou)ega0r2mz f $30^{\circ}$ 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 launchedgc veky z*1ulslmc 4q/8u4;z 9 with the same speed from the same starting locati4qu ycz4u*kmg 1esvc/ 9;lz 8lon. 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horizontally, dirlg 6i hfn5s vvf,.so,g::m5dnq/.rug ectly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting fgd 56:rs,:gg5snf/lnv v.qh omu.i,air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with zim bs/tnndsz+*o9 3.;r b(tk the same speed. A at an angle greater than 45 dem(z9nksdr/o .bnzt3 t;bs* +igrees, 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 the sa5(w4kanrn 5 +w 4onfveme instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of +v(n ow 5wn5r4ak4nfethe following statements is correct?

  96.08: A ball is rolled off the edge os6 (rrao 31 q:m3xeai2 guk-fcf a horizontal table. The ball has an initii32ace mu6rx :sg af k3qr-1o(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 verticallb, s:3iwl)ltgruz1m xa+ y7m nj6u+q7 y upward with an initial velocity v and an initial kin6nw+u 1: zrmbx7),imu lgq7+a 3t jsyletic 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 storvef9zk(/znthfc4 +jd 5i f,p-m, 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 falling through the a/n f4+f9pzi( -t c, ejh5dfkvzir, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped frod uwu t:j*iwtk-nhi4xt4j 6*,1im 1of m 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 t4f6whijwt d:u *4ti*1joxun ikm1,- 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 distance of 50 yards down fi n0f.r:y m.-9vbcjyxh eld. Neglecting air resir cbjx.ynf.h0v:9 my- stance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into .+u)v7ydvgsf 47 hnzj 9vmm4pthe 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 toward a target 20 m away. Ingij/aqwr 1w/- x:d*se traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the nexi*ajq/e/d g xww-r: 1st 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angle g bbey)(za5h5of $40^{\circ}$ 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 honjv7/b/ h(/pa o bng(hrizontal distance of 120.0 m from its launch point. The projectile was in the air for a nb //(/bnov7(hjghp 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 arfs,7j mh,ip q8*v2z;et*c1ma 3bgvkt 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 , v0g xgv/u2wu3n/fymn t2f 0q,avn3u 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 o6lnh,hww mr+)d02r7g(bek( 0a vyb)gb gg s8 ebject thrown horizontally from the top of a builg ()lkwembrar,yw0 b e(+g6hhsgndbv 72g08)ding 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 building atvdyfhio5hk sz z6;8butf3;09 an angle of fk5ih;zhd6y8 b; to0f3v zus9$30^{\circ}$ 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 - ynvwrk jb45: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 horizontal from a :ms b)r4/ ghu* ln7kl e7+jvdlheight of 10.0 above the ground. If the initial speed of the or:e jlshlgvmu)7 / d*b4k n7l+bject 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 i3jldfe.:y,8uhd7 c )rftg2sz s launched at an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile t2y) :zh dcr7le us jd,g8f3f.makes 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 of a cliff at an angl)n,maq l.8sx fhc;l( ze of ;m sl,z8 lfnq.hx)ac ($15.9^{\circ}$ 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)