07.14: An object moves to the East ilyk -5hb p2 dkk2,bl,across a frictionless surface with constant speed. A person then applies a consbkl l,,2bkdi 5 -hpyk2tant force to the North 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 launched with the sa ggm fostvmm+- g:5+1wme speed from the same starting location. Objec5fgmo-mw t+vgm +:gs 1t 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 laungaywr-n6tvrct p0m; k6(( kg8ched with the same speed from the same starting location. Object 1 is lartk-8wg; ytrav (cn kgm(606 punched 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 horiq);yf5m+dm0.l eu ;o5pomel nzontally, directly at the center of a target 20 m away. The arrow hitsldle e noum);+5 mypf5qm.;0 o 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 launched at the same time with the sam hvwkxq53gt .2uv: 2cde 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 arroc5.vk xd h3ugv2:qw2tw arrives first?

  95.19: A baseball is thrown horizontally frot.pm8z e9-y ivhz;*gkm a cliff. At the same instant, a bowling ball is.mk -;e pgiv9zyt8hz* dropped from the same height. Assuming air resistance 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 has12x,: 7smomfk,olq py an initial lx ,fy2m qp7o: kso,m1speed $v_0$ 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 verticai jbogenn :0//lly upward with an initial velocity v and an init/g0jni/:o neb ial 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 dropped from an airvq0,0 rpfaf f0plane to a herd of 0 fv0,f a0fprqcattle 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. 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 hvkq9 hm6y c85zad 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 reasonk 59zv 68qhymcable 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 tkpg:a:+m4q bkhs d*1 down field. Neglecting air resistance, which of the following sg k*bmhkdas:+tq p: 41tatements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown d46,bn6ig,9 i 0b 5eliggaj tqinto 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 s)oosj/ 7mp-q mked 8g2hot horizontally toward a target 20 m away. In traveling first 5m horizodjq s27/g8 )opkmemo-ntally, the arrow 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 +:1t5wzq8knnpb+uuvduqvn5cq;a q0 9+aw7 eangle 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 a ,zpho)z,vn) ground landed a horizontal distance of 120.0 m from its launch point. The proj)hvp )zzn,o ,aectile 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 atx--r pqc: 3ukbo *eh*y 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 i 1d-nfcxa,6cc pzyp8 +s 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:t39nehm2r o6b9 sfc2vda+ j e horizontally from the top of a building is shown as the dashed line in the figure. Which set2aec6jhr+2n m9vt:f o9 se3d bs 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 from the top of a building at an anc qs z 93me0nwc voo:;os*8b(ygle of bo o ye93cn0w: m8qcs ozv*;(s$30^{\circ}$ 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 z ;zp jz:pthk50m-vla4ue o/5the 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-zb3f nxlh- 3v 30° above 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 the ground? Ignore airxl-hb3nf-zv 3 resistance.

  17.32: A projectile is launched at an angle of 40° above the ;2 czao56p9bezb 7lrhhorizontal with a speed of 30 m/s . How much time passes before the 6zcp5boe7 ;9 zl hba2rposition 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 cliff at an r7mqjh 1 -b)w(eg-w wlangle of 7b (q m1-w-)wgehjwlr$15.9^{\circ}$ 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)