07.14: An object moves to the East a*n ahqnw3*i8ez7( yz8,ljfzwcross 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 line path partly Eastward, partlyz w3wji *nz,al7*(y ef8hqzn8 Northward

  07.15: Two identical mass objec r oaxub;1*+jgts are launched with the same speed from the same starting locationb; gjrxou +a1*. 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 same speed from the samebc 6v - nla zql,v9k)nv0acz+2 starting location. Object 1 is llk-n l6,zbzqvv9)a0v+n ca c2aunched 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 a8b ()2d jlk3*kdt. p4 omzysdrimed horizontally, 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 ind4)8 k(kl b.d 3pmdostr2*zjyitial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speed. A at an aqio0x1. (grpl778 w nic+x lxcngle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the same spot on the ground. Which.(xinwpo+1r c7qcl0gx7l ix 8 arrow arrives first?

  95.19: A baseball is thrown horizontally from a cdi z 8)xsuwa9k8(zk+rliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is coi8wsak r (9x+)kzu8dz rrect?

  96.08: A ball is rolled off the edge of a horizontal ta dfx5d(dsngu 9x/ 10.b4qjfkl ble. The ball has an initial /uxg 41ffdjl5(bndkd90x.qsspeed $v_0$ 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 withs1l /f bke4ec-1 htrywo ;arphfjvi129f.b/6 an initial velocity v and an initilor1 jb fke/se1v;r9yf c-w ptha2 b.1i/fh46al 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, rx*a*)0ylae b qn*tqlmf-8 .u 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. As the bales are falling through the air, what wi)-n b8 earf* myax0l *t*qlqu.ll happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped from., t56 f+z.6 z).ksstj slq*fquiz t)yq2lohp 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 wilu.fpq 25jq.l+)yf) .ts qis6l6tso* hkz,zz tl 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 dis6cqgyne6/g 5:n7*s vx fe pxg6tance of 50 yards down field. Neglecting air resistance, which of the following statements woulvg*66xenq:/gfny 7cxsp 5g 6ed be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air atjt 2 n 3kl67krek7tap) 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 awab m b/*8rrrfcfi5*0ar y. In traveling first 5m horizr/b0fafcrrbr 5* 8im*ontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is smnqe. :kcmne z3.d 9bt n,glsr6. :b(fhot 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 launcezutq w l58(x 8lpkq45hed 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 speed of the projectile? Ignore airql(q45ez kxwptu8l58 resistance.

  13.14: A small ball isvt mbl65gce7 xyt5*9t thrown at 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 the top of a cliff wo-fks/8;j 8 9h/nam(im dhbkjith 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 o-( qmu x7dq0m5lw,k tveob6a(f an object thrown horizontally from the top of a building is shown ax( eb,ma(qkv75mtdwl 0 o6uq- s 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 trajectory?

  02.41: A person throws a small object f -c rkz.j1 (8pkebrwr7rom the top of a building at an angle of kp- z j(rwb7r.c re8k1$30^{\circ}$ 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 jyg67eb; ntwu8 zho25angle 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° aboo:mszu)+amuyh* 11oi2 ih/ aga-a o5zve 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 angl5h zgzyou *21ohm +iaiu-am/1 :)aaose below the horizontal is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angm yxnj-0z w17iwq1(wrle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the posn1r(m jiy1ww- qx07 zwition 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 au lrp3gbbs/ /o98+-ij4jxowh vktz0-t an angle ofzo4o0 hl8 / -gpi-x/brt3svbwjjk 9+u $15.9^{\circ}$ 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)