07.14: An object moves to the East across a frictionless surface wib8ffb( ul) yf6th constant speed. A person then applies a constant force to the North on the object. What is the resulting path that tl6bff u( )ybf8he object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same speed from thjho8gm-agd1 0qr pe4) trc)u7 e same starting location. Obje)gd8p4) 1qh0uag-oermrtj 7 c ct 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 t:h-*dhkt6su wvwsgq ,yt2* 6c he same startin,ktscs:uh6wv -2*qt* ydw 6h gg 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed ho) srsy.5e0*5nxmjsn3 ck x.wfb9 a .1srkg 1nprizontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air r0w.9 r5e5 1xns c.k yp.s* jfnkgm3rxans 1bs)esistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with th 5d8kommm-f z.e same speed. A at an angle greater than 45 degrees, and arrow B at an angle less.zmmmo8 -5fdk 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 same instant,8xxdpevf: s7 ))ty,lt a bowling ball is dropped from the same height. Assuming air resistance can be )fd:x p7e)ltsyx , v8tignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horfu+z48c)dka0ncu ;y pcin 6mv;d8 /icizontal table. The ball has an initial +8kfndn i/;u8ac ucv)z6my pc 4d0;ci 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 vt m op*4o kq129ueq30fo (rtppb6g7h)tjaxo5 and an initial7o)qke9oao35tx1 m0 2 tq(p4gfub* jtrpp6ho 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 dropt)veww) l/b:u ped 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 thatw)b)/ ue:twv l 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, bap xon0 6+rcv4jza, ,v vt4f0ijles 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 hayx6v v, r44vp,ntj i0c a0oj+zf every two seconds. It 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 field. Neglecting air r/+r eeu/yr pzm7c)wqm2 5ghp2esist22 /wr7e5r+pmez/ u hcmpygq)ance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the ai-w5lnf)my/b fgw *gg4r 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. In traveling fj 9 iuu.1az2m. bi0zbwirst 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additionzuj9u.iab .12zwmbi0 al

  06.04: An arrow is shot from a bow at ag.bdayzx9y+ 7-yi gk *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 launche+ 05gkjj 9nv qcob+3*vb3 djxld from the ground landed a horizontal distance of 120.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If the projectile landed at the same vertical position from which it was launched, what was the launch speed of thn kjj9b+vq5xog +v 3b d*0j3lce projectile? Ignore air resistance.

  13.14: A small ball is thrown at an ang; pmx-zm2 90 kcdw. edk0qj,qsle 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 launched from the top of /( z5m.l/8b tzqjutgra 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 fky71u;l as 3qfrom the top of a building3 fsyku1l;7 qa 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 frnorc8 3s: bes,om the top of a building at an angle of :orb3 cns8se,$30^{\circ}$ 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 ang jbvvppns7- /b9-7)kj fkw w)gle 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 horr0trq,i kdi4 5/e:bpy izontal from a height of 10.0 above the ground. If the initial speed of the objectdyb45, qrkpi r/t :ie0 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 launched at an am1a 4 ampp7i,dke0,h bngle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an1md4p7,p ,0h ekimaab angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launc*c 6hl0t cduvseva6k*/rh9 d.hed from the top of a cliff at an angle of c s v6 edr/0*k.cua6d*9vlt hh$15.9^{\circ}$ 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)