07.14: An object moves to the East across a onjk/k fi5x il;ua3t6y, i:4cfrictionless surface with constant speed. A46f,iij cklno u:y/35xti ; ak 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 are lafm8 , b*z zrid-pjtk5:unched with the same speed from the same starting location. Object 1 is launchez*m: 8,tpfbk5zirdj - d 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 wit8jk.(6 yaqhy2+e rb:hs/ ldyth the same speed from the same starting location.(qt /2y6lb .redy8shy +:kjha 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, directly at the center of d lw 8 /:3zkt tt*y)fg2lc3fjia target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial k*8fzj3wt)d :c23 tyif/ltgl speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speedzmoki- i4hg //i4vv7q . 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. /gi/v 4miizvq 47 ho-kWhich arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliffnzqwo(kf6 d9 v0kde: *. At the same instant, a bowling ball is dropped from the same height. Assuming aqo(6vkk:9 d*0 w dfzenir resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rollu(cj; 8 unx.cbed off the edge of a horizontal table. The ball has an init(u;c 8xju.cbn ial 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 upwarcr14hvxn 0)j98m2l7kn0 e9ebv lsxird with an initial velocity v and an initial kineticeknxr 80c0b9ni1)m lhxj2 e497vvrls 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 dr hoa1;nbom7 2ias am 5a19ejc3 gpl58vopped 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 v bsam5g8 9iom27chap 11 l n3aj5o;eabe 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 of hay had to bevg1q81zj yk9* k ad4mu-)xanh 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 negli 8zk1ynjh*9 )dg1aa4x k umqv-gible 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 *i qqcsby3f3jd.qk)v5.baa ) 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when.d caa3j b)*)5.ivbys qk3 qqf the football reaches its highest point.

  03.10: A ball is throw0h56p(l p xq(cgv g+jnn into 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 horizontv 7s5 2vfwko 1axm5j0mally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveli 1wxjafmk 7s5vv05o2mng the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at l;jxizzdc;(w6 zqa x8d1zp04 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 hkarn*x5 odttc8+8cnv4rq h89i yk *t+orizontal distance 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 vertical position from which it kd9 rnx+*n8 88vtcqao*th5ri yt+4kcwas launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrh3tl9zaseza : j rk( lr(2wt;:own 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 iro0m9rt( 2a uhs 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 thrown horizontally from the top o ymy*x9( t6x is;dnumz w8l.q(f a building is shown as the dashed line in the figure. Which sets*z qx6y8id m(w; usmxtly9( n. 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 arwomu y q ,;mdrpz5k;4 )b:1xjt an angle of 54r;bkzmouw xj: r myp;q,1)d$30^{\circ}$ 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 vgn.fpux 9yxgi;jxu.. 1+o)ekhw 7w.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 horiz tf61 c8- xz/hx:s4. esmswtjzontal 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 reacm: -8tesf 4tcsx h6xwz1j .sz/hes the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° abov)zhurpu u s7cc;m bmsfb:u:: (i*4ld/e the horizontal with a spumr )(7 f/ d:u4ms* b;ul: pchusbz:iceed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launchgpzt,mweeos* jwh9qi6v2o /t , .7x1hed from the top of a cliff at an angle of,h* jxmh9tog e/w72p,1 .itzwv6qso e $15.9^{\circ}$ 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)