07.14: An object moves to the East tic563no y7kjacross a frictionless surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that the object takes? A. A straight lin y6tkj53coi n7e path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same spe30utp aqg9hnc8 0a on)ed from the same starting location. Objecau0pc ta n83oh9gq)0 nt 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 fro3vja/-t2l)iuq iq:m jm the same starting location. Obje:-tm 3 /ji)ua2iqlqvj 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horizontally,p/si wh9 *0uou rv1de7(0p sgb directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the9ueb(gsh01w*u spr id07/v op arrow?

  03.05: Two arrows are launched at the same time wv uk25 sa*so00uhn1*k u+o jrwith the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both oh 5a+swku u*sknj*or 0210vuland at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the lr;ru aj26y.v6s7sbb same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following stasa r7. vjb6y;6s brlu2tements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has me6ci;k 9rb apy5o2k6an initial sp6 y ieraok95mb62;pkceed $v_0$ 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 2stci l4;ere2w m8:bzan initial velocity v and an initial kictmer4 w;s8 bl:2e2zinetic 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 tr2wi,y z mp39 xjy3zz83gcrj3l7i, zbe dropped from an airplane to a herd of cattle 3 r,3zz3 i37tz 2wrlyxycz 9pjm i8g,jbelow. 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. As the bales are falling through the air, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales ofd8 p3bwc1cst:a 6du1v hay had to be dropped from an airplane to a herd of cattle bas pcb1u 163:ddc tw8velow. 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 kich 9xpugrgpn33zm3tsr63v( k 7ked a distance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football rz3mg g7kn63txp3upshv 39r(reaches its highest point.

  03.10: A ball is thror /9qkp hj,fv8w5pjw4wn 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 horizontally tov1sb s :5ntlg3ward a target 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 agt: 5l1nb3ssv dditional

  06.04: An arrow is shot from a bow avp-c (+thb0 hmt 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 frraz29kyhc 5va-+ uwgz a l2t,+n 4h8xrom the ground landed a horizontal distance of 120.0 m from its launch point. The pra9-kazzh5 + vlc+a grtu24y wxnr28,hojectile 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 the projectile? Ignore air resistance.

  13.14: A small ball is thrown at any74mg:n( snq w ;g4ovz 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 the top oh q. )end5;urzf 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 trajew sjb(0qpygzz x+k3191 tvv t2ctory 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 to the directions of the velocity and of the acceleration for the object at the point labeled P on the trajecv+w 32psvty 1q1 zzbxk(09gjttory?

  02.41: A person throws a small object from the top of a builgzgy jpz(s z2l 97*;ypding at an angle of z9zgy2 jy;7ls(*pp z g$30^{\circ}$ 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 launchetxoq96n3n -q0q 8xxt sd from the ground 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 car4ivecf: 0n.(o )15ciyhn o the horizontal 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 reaches nfiayo(iv0 ch:o5cen. 4 rc1)the ground? Ignore air resistance.

  17.32: A projectile is laupigf: xpm8 pel x+8t *wt7/7cinched at an angle of 40° above the horizontal with a speed of 30 mct * mg:78pe f/+87pwp ixltxi/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 ue3pau:fv- 1ot8oqhpql e-8 gy(f, 0bfrom the top of a cliff at an angle of pbhpy3-tq1g8u eua0(lq:f 8-o vf,oe $15.9^{\circ}$ 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)