07.14: An object moves to the East acros,1 j:s;ijqt fqs a frictionless surface with constant speed. A person then applies a constant force to the Northqjs,j1 ;t: fqi 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 same speedpbgn;cd 06eb0zapam/ u6d,iwi bz 40/ from the same starting location. ,paau;e6zi i6wnbd/ g m0dbz0b04pc/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 launched with the sameq 1a fjtt5-f:i;ln5gu speed from the same starting location. Object 1 is launched atj;5qu l n:fa51g-itf t 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 horizontcm4/m q(dr:,b 9o qqeyally, 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 iq, my ro qec4(/bdqm:9nitial speed of the arrow?

  03.05: Two arrows are launched at the same time with the s,zceiz;e ;i7zk/vgo6es tpwu .9t1 c /ame speed. A at an angle greater than 45 degrees, and arrow B at an angle9wpg.iv ic7tozu;k6 e z/z e1/ ;tcse, less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally fromd) hjhq5:zw5 y a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the followi5j)5q zd:hy hwng statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an yeb-ntl6w3u2v 1o3dljz/ est0slp,; initial speeo0 l/1l3p 6dt b;usse-3nv2w ylt,ze jd $v_0$ 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 pco1 we7gfld,;j lg1 +v and an initial kinetow lp1+,f7 gecj 1;lgdic 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 storwyw8wem9 qz67 m, 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 that air resistance will be negli79yww68 zwmeqgible 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 sthh x0(bfv)(ez orm, 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 that air resistance will be negligible for this situation. About how far apart from eachez0x (fh h)(vb other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field.*cwq+c;q 1jwbcu0p3 t 0h wzr* Neglecting air resistance, which of the following state 0hc+ j*pzwtwc0wurq*1cq3b ;ments would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into t+3b),fmqiw cq+/aes qhe 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 toward a target 20 m away. In tra;rvo1qd8z-b7 bc3 stz veling first 5m horizonta3bo;vzt r18q dbzs7 c-lly, 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 +2mo/ j qx5t-skr;ykxx)pm m+l9dmk9bow 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 lafeuf,,y0kf + c*j8noctz5k- ))zqnwkunched 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 tf *+5nzc0f f, )okkk-jez8)n,uyqc wspeed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an angle0lsvc+*4b zrj/cjn-b jo+sg 1 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 a3w+x s2dx34yzwqg: lu(auoh 0 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 horizontallyet2m qoqttk;el-of)z , a.i2+ from the top of a building is shown as the dashed line in zi+fqm)-2 .ke2 a o l;otteq,tthe 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 from the top of a buildinmrd0wwm/j6p ivm1.l:t:b s 6 hg at an angle of mthjl:1 /m: pdsb.r6i v0w mw6$30^{\circ}$ 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 o d:.v iqompfij qvcw07811rr(7 zgm f3f $60^{\circ}$ 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 horizo j,8 iv(x2yiq 8bn ,vgham+r*fntal from a height of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what vq,m2af v8iy+8ni ,hx j*rb(gangle 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° above the horizontalfv4+0t6gbei7 u3 5baa 0iuwq., wwibq with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above the horizw avw360+tq0iu w5 bief4guq ,7abbi.ontal from the original launch point?

  14.40: A small 1.35-gram mass is launche4 msm/tbwq.ft q*uzf: ;s-u 2xd from the top of a cliff at an angle of fub:w f2u z.q*4qx; /m-ttsms$15.9^{\circ}$ 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)