07.14: An object moves to the East across a frictionless surface with a *1 nxigocfhefp26 z-3o::o xconstant speed. A person then applies a constant force to the North on: 3 o:fc*xnxphzo-fe ga1o26i 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 launched s7ci i dozl ya4:4hq/7with the same speed from the same starting location. Object zylid47:oiqh7sca / 41 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 masu2 5 s6, r2ntwhsg;zkgs objects are launched with the same speed from the same starting location. Oh6 ;szkg,nstg2 u2 r5wbject 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 cpmh4v;2.9f nyy8tod benter of a target 20 m away. The8y t ;vbdf4 h9.2nmypo arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launchel5ep .) .m(y+c,i wqw 4qrhxlad 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 lh.yir,4w )a pe+qcm xw(l l5q.and at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown hlgusxfu-x , c7mr0v6w446ihb orizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, -4bg f,v76cwlmx 0u sxhi 64urwhich of the following statements is correct?

  96.08: A ball is rolled off the2ce i4*w* ftji edge of a horizontal table. The ball has an initial spee*4f tei*j w2icd $v_0$ 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 inie5k0xpcru1ajb*xzo /+anp0oa: v 3e8 tial velocity v and an initial kineak80b0 *1c ux v p: rxp+/ne5ezjaoao3tic 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 stormmbl q *6f50wbb, 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 twol5*bm 6b0wfbq 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 t h+wxne.x80hi: ,nct:n zg(iof 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 hwe ,g0zc.h8n+ht:n i n:t(ixxow far apart from each other will the bales land on the ground?

  01.14: A football is kicked a distaxcop2rpg+w: oeic33; 9ks rf2nce of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its highest pointi:f2 scg2roxoe93wr3+ pp; k c.

  03.10: A ball is thrown into the air a2wh8e pp vwhxtp1pji0p; .q)-t 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 hori:2v8c0*qa d7 8w kbidqtxopp8 zontally toward a target 20 m away. In traveling first 5m horizontally, the arrowwdd8kpx8b:c2 avo 7*i08 qpt q falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an/z8/a oaye5q r ii;: d(xzkc9rf3 tc8y 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 frozq3 -g11n swssm the ground landed a horizontal distance of 120.0 m from its launch point. The projectile was in the air for a time of 4.q ns1w s1sg3z-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 thz99ikbt +s0rs rown 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 lmr+ytb96f e/l ) 5y,ep sgo,pis 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 horizot0xx8k ye7s;iek ddf((np/ 5cntally from the top of a building is shown as the d(d0i n ; k(edpxs7x8 yetcf/k5ashed 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 .- 2s3c7)j(gy snqvrk gm peb7object from the top of a building at an angle of pv)e7yrjsk(2g3n .-sc bm 7qg$30^{\circ}$ 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 angle o owl,k*veqq syrci2 mfl *5)+3f $60^{\circ}$ 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 horizon5s2rxnn lfam/0y c1p:qy6ujp:,w w ( etal from a height of 10.0 above the grouxr0p5cy:m qsp/6 :ewfy(jw2l un n,1and. 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 resistance.

  17.32: A projectile is launch7x1jygy wng 8gi8p7 ,med at an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the pron,gyy 1xpjw7mg7i 8g8jectile 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 angle u(mth rr.4wd 4a/d3(cy lma b,z.bwb7cx;m;h of dumww4bxz7rb.ryaht .hcal;m3(; md(/, b4c $15.9^{\circ}$ 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)