07.14: An object moves to the East across a frictionless surface , kwwbce0ec iyu 596x:with constant speed. A person then applies a constant force to the North on the9:cw 6e0ky,weu cx 5bi 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 with the samo 1uikpy+k1f lkcp39 +t l-si1e speed from the same starting location. Object 11- o3 it1yi+ks9u+1lpkkpf c l 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 c9weibu r5+w+ tcbj657 r 8knomass objects are launched with the same speed from the same starting location. Object 1 is launcheekc9 bo5r uw 8+bciw6rn7t+ j5d 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 a t6vr+xnjz 52ks 1vcj-c arget 20 m away. The arrow hits 0.050 m below the cvv15zkj+6 cj-xc 2rn senter of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the a+0bitk ke4v126 vht jsame speed. 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. Which arrow arrives faiv1jt tbev0 4 +hk2k6irst?

  95.19: A baseball is thrown horizontally from a cliff. At the same instg8t d-f w0d ntjclr5(q8.) gmqant, a bowling ball is dropped from the same height. Assuming air resis t.fdg 5qcd08lrgn-q8m t)(jwtance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an id5z)eszv(dh (nitial speeh v(d()es zd5zd $v_0$ 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 verti w7apln f (qjf+7d.w,bdv2pw(cally upward with an initial velocity v and an initial kinetic enerv+f dq nj7wwbf(w7pd. ,2a (lpgy $E_k$. 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 drn ej1yz c)b)z-ep,s- dopped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 180 m with dc--pe)bz)z 1je ,y nsa 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 recent winter storm, bales of hay had to uz.j iqw5k o**be dropped from an airplane to a herd of ca5**k qjio.wuz ttle 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 how far apart from each other will the bales land on the ground?

  01.14: A football is kicked a distance of 7o 4bq8rvj tp,cej-r/dxo 5-j50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches itj,jq7/r 84d rpc5et bvo -xoj-s highest point.

  03.10: A ball is thrown into the ai*+ax)xtin zkz6x;d i,ed * *o.dndr5tr 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 taw xt 6t5ror)+zrget 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a adrr+6 5wx)t zotditional

  06.04: An arrow is shot fr/zaxs lokz.196he/. vetjm b/ om a bow at 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 frr3, g9*pjrq*i(l.t2rdez ykm om 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 r,( k p3 .dqy rljime2*r*gt9zspeed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown avq 1 xv,b a8hw5h(t -4kkn7ms(n cmam+t 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 is launched from tf/ heb-bimun8 5 a 6i329lwuwwhe 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 t-4)zuce 2hc*qt1o20 qg45sfl uy16 nja fypishrown horizontally from the top of a building 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 poiynchj5p 11q*yz ug0 lseufa2s-to24 4f )icq6nt labeled P on the trajectory?

  02.41: A person throws a small object from the top of a building at an angle t w .*,ro6y2ptnj -so4rhzi+yof s . r2tni+p zh4*-rjw o6t,yoy$30^{\circ}$ 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 anq/) afcni;nvl ik6: y9gle 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 horizo1q/. rt vz/quontal from a height of 10.0 above the ground. If the initial speeu q/t1./qzvord 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 launched at an angle of 40° al)c h4(zgxuov )6yd 9xbove the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above the horizontal from the origiz lx uvg)96hcd(4oy)xnal launch point?

  14.40: A small 1.35-gram mk6 jtmy)cke q-4z9bn8 ass is launched from the top of a cliff at an angle of ecy8kk 9j z6tqm4-)nb$15.9^{\circ}$ 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)