07.14: An object moves to the East across a frictionless surface with co m*zhb)uk6eo ;nstant speed. A person then applies a constant force to the Nh) b 6koeu*;mzorth 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 laui xh)53 *.byj/zbt zp7vh5hsxnched with the same speed from the same starting ls h*5 y5pbt/j zv bx7)hxi3h.zocation. 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launchedfbvb6xen gq7- zdmfw1 z0iu5st* 3 0t1 with the same speed from the same starting locag ztwb7m3dqx00 56 -1neus*fziv 1 tbftion. 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 cent/iv h) +s1jppy6 5dmqwer of a target 20 m away. The arrow hits 0.050 m below the 1d)5jip mvh6s+/qp y wcenter of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at-dlh+(6mi y vqftyc3, 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 spot ,m+yv-fihq dl(tc 6y3 on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same ingftp,o 9* nlixp 4z23gstant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, wo l2 zfp3*i,tg9pn4xghich of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal ta7erhoc (6ea 59a g;bhsble. The ball has an initial s69 r;5 esgehha c7aob(peed $v_0$ 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 v8f.2 hj)p6h yip6m pga and an initial kinetic energy ph6ifmhgyj8 2pp a)6. $E_k$. 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 recen pm:gju/g/mr4ay;2 /4bk q4uuidnyg :t 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 thatnm/jgdu/ r:p g/;44yy:ia42kgmubu q 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 be droppedqgn2uo 9dr u3mk7;x1e 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. Inm9eu;d3og2rqk 1u x7t 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 kick m,vqg877-i * 7ru9fgw n5dt9k.johi c*hgbxfed a distance of 50 yards down field. Neglecting air resistance, which of the follo,vf77d7woi5 8h 9 .*ufqmkcg-*gjgxh i9trnbwing statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the axs 4i280c bqm qyioa-,ir 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 horizi asele9otd6-*)a ;vglw-+5 9mn/gmk ca nl3iontally toward a target 20 m away. In traveling first 5m horize6ltmg3neola+9ca wgv5*)/si d n-l- m; a9kiontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot fon,+zyo7kq6 6vu hgxdl90i,from 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 from the: av tzxi)4o)xob, c,b)ki7 sh 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 projvh7 a4b),izkxo,oi s c)xbt ):ectile 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 thrown at an ah/ kej+4pz-vqngle 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 mr5* w,de+lywlaunched 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 tn:mpha728 ee:qdz (i lrajectory of an object thrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond tmd a7pnq:ehz( l28ie :o 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 th(4z zdl o-b.r6su cnn8+1adjte top of a building at an angle of . du(j b+8s6zn n lo4crzadt-1$30^{\circ}$ 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 of n5,nukp:dc y /$60^{\circ}$ 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 flwbzsb qr74mj v /553arom a height of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what ws 5/4r j5zma3qb7 vblangle below the horizontal is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched mkojgdc)b ,wp,e 31 mn *efs4-at an angle of 40° above the horizontal with a speed of 3ep nmmew b*sofk43,j )c1,dg -0 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 launched from the top of a cliffe5ehvt - 8u,uz at an angle of- h,5tz8vuuee $15.9^{\circ}$ 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)