07.14: An object moves to the East across a frictionless surfacdwc 2yt50q* 8yov . +x7ze*k kqet7lmke with constant speed. A person then appli z*otmld+.qk7wye vyeck* 5kx2t 078qes 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, partly Northward

  07.15: Two identical mass ob)s0e wg6 lc5oaa1rf;ijects are launched with the same speed from the same starting location. Object 1 e i)l5gfowa ca1s6;0r 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 obje0clew7zfc1fwr8 6ig 3cts are launched with the same speed from the same starting location. Object 1 is laun3wf806cer i 7c1gwflzched 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 center of a targe886ltk o0k cj jzbzd(p;6co 8vt 20 m away. The arrow hits 0.050 m below the center of th8jcp(o6 kv60;zbkljd ztc88o e target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speed.erp8* 0lqa9f:4kpak :ucivxm2h *io ) ;9bxvt A at an angle greater than 45 degrees, and arrow B at an angle o9hfa84xkiv;c*2 k v9 xamepp:) :q0*rtulbiless than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally 8*u(fp dexv oec55ru9/ nq-f jfrom a cliff. 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 cx8 ev 5(ou*fn / pdrqj-fu9e5correct?

  96.08: A ball is rolled off the edge sb4+kv n+w6hw of a horizontal table. The ball has an initia4w6bhnsv+k+w l speed $v_0$ 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 vertu8(p3j6g8b zo4s bd txically upward with an initial velocity v and an initial kinetic energypjsz8t43o6 8g (dbxbu $E_k$. 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/sir /-pid4bd 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 ba-disr/ i d4/bpil 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 had to io(;syywnu2a3euu :d2l ky3 * be dropped from an airplane to a herd of cattle (yukd *uleau3s3w2:; i 2noy ybelow. 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 kicked a distance of 50 yards down field. Neglecting ;s10rj7 l4 h 9ja7skgdbpx6laair resistance, which of the following statements would be INCORR0d7 j9llgapxjs1b 6kr;h a4 s7ECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at)- ma2lx1 jvq+fkn-r j 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 ai xfd3,cb,l i/ target 20 m away. In traveling firf3dbi,x, c/list 5m horizontally, 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 j4o g/- fw.ijz lo4c2kat 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 ground landed a horizont/ 2bt1pak7rbt al distance of 120.0 m from its launch point. The projectile was bp72 btart1k/ 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 an 7km0 s ;u6a1 eqbwq6*dzju 7anangle 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 agk r6a-4g3tf4qrx 4 21dpry l l5y;kmf 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 obju3 n*hu jmj7/nit/gn8+fncbd my: k46ect thrown horizontally from the top of a building cn/ ium8njnjy3nmt :7*/6f4gbdk u h+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 trajectory?

  02.41: A person throws a small object from the top of a z0orz;jx pm2.e .6n hsuo(* wdbuilding at an angle of rx6msoohn( p;z2wd j.ze u*0.$30^{\circ}$ 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 rxj ns9jc)tipg5. rl:ek).u9at 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 the horizontal from a height ovnv/157p3 bbnyl4 br;y) czjtf 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what angle belowv1 3tbnby ;ynvjzr)4 p5b7lc/ 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 b svr-uxd).j ,o v4zh5horizontal with a speed of 30 m/s . How much time passes before the position of the prozu h .o)jvd-s4, xvrb5jectile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram massig+i 5w +mp,g01d wlt.yq9wr l is launched from the top of a cliff at an angle ofi w iwrpy++ wmdql90t5 glg,1. $15.9^{\circ}$ 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)