07.14: An object moves to the East ach+:6-oj*6ol) r )f kkc hj 4zj-lxw0ucc t:sahross a frictionless surface 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 Northwj: o k6 cu- jz*hlthojh40s6)+lwxcca-:rf)k ard

  07.15: Two identical mass objects are launched with the same speed 66gm6 0nbv48:gwp vrtrpy ;ivfrom the same starting location. Object 1 ii6vvn60;ybp p6v rm:trgg 4w 8s 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 sp.yc07m dbg( t,rxyw-,oj+ bx)k ;;zmntjc(i teed from the same starting location. Object 1 iswmo it0tg;nj z.x ) d-7m(c(cr;y b+yjxtb ,,k 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 centyx/(mgbg gim.-r 8)n zer of a target 20 m away. The arrow hits 0.050 m below gm/ri- .)8xgyg nbzm(the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows arr+ + dmpsg e5yd jgqf:;.k((dle launched at the same time with the 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 s g(++qf d.lg;rdyj pm :(ke5sdpot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff.b6cf bq20 33avjg gge1 At the same instant, a bowling ball is dropped from the same height. Assuming air reg2 vc0bbgqjg 3a3ef16 sistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a h lw:xk da* m0z)-wd5 /cwvsgx+orizontal table. The ball has an initial-wmv*/la+d zxw ) 5skdg 0wcx: 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 a ynths:65/qyx 3qse, yvq-fzws 1zq7;n initial velocity v and an initie 7h6 qynf:yvy,sq1s5xt/ q wq3z- ;szal 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 of hay had to be dfg 3sg.a ,jh fm2v.w0lffs3s5ropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altituha,lw. 3sf gf.mvf3fs5s2gj0de 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 of separation?

  00.38: During a recent37 tdp.u 24x7 :gemwny pnyr(k winter 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 nkw7p3m7n2urd. y: py(exg4t 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 d 3y 4,cc fl 5zc,y3 zmrhf1;tv70bylleown field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reachesy3bf h,c ,lzmltvf 73 ylcerc5;z40y1 its highest point.

  03.10: A ball is thrown into the air at an angl6+n:s6 namuh *u6 mzuue $\theta$ 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. 7gk1 r(jjwjy ,)k8vql)+kj uzvvtm7 7 In traveling first 5m horizontally, the arrow falls 0.2 m. Inkywjl ( +trv j7gm7 kq7jzv8ju,k)v)1 traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at a s;0 1heop0ip 8nufct(n 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 dist:lmgec1ho51d3p 4e f8 ymt3cg ance 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 same vertica513y3dfgehm:ecl 8o4p1mcg t l 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 3oqx9/d24ox w) cbpj qan 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 launchdlcb yc.ebt 3,sfs1 l.gjq/).ed 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 thrown horizji06ya5*g pq jontally from the top of a building is shown as the dashed line in the figure. Which setsiyj p*q65 0gja 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 at an ang, jk jgheo-wd/5 e jxif:2;w;nle of ,oxe-e5k 2fd:;w n jwhi/g ;jj$30^{\circ}$ 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 6x -uc4(11rlfblc im p;h:xoa 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 fz rfi (0h6(sb6juu1tlrom 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(( f rzu0 lsb1itj6hu6 is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launcheko0d8)cst- ( mrr xe,fd at an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectir0ds-8cke (x)t,r omfle makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram lt*g,+oke o2kqak )m6mass is launched from the top of a cliff at an angle of6 kl2oqmo+ktkg *)ae , $15.9^{\circ}$ 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)