07.14: An object moves to the East across a f cpfron)4c6j r6b 5v,trictionless surface with constant speed.4tjr6 rc,n f)bov6 p5c 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, partly Northward

  07.15: Two identical mass objects a i .q5el,:yh3,/ knv ohuxaio+re launched with the same speed from the same starting location. Object 1 is lauv u3: ii5qoy,oex n+hhlak,/. nched 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 same0xv1urpe38o r74aea m hz0)be speed from the same starting location. Object 1 is8 pomv4ze urb3ex hea70r1a) 0 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, directly at the center of a tarq+g n* 9uqk3x+l 3vv/7bod lunget 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resist3l qx l/u+nok+q dvu3vn9* 7gbance, what was the initial speed of the arrow?

  03.05: Two arrows are launc5i z(9tb+bbc 6ob/mufhed at the same time with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the same bum +f z/(tbi 5b96bcospot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant,y)8-ni mz kre7 a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the follo8 y7m nk-)erizwing statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an inc3(4**vak/ eii+viwwq bqr1 oitialw1(r*+q3e4cwaqkvvi b/i i* o 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 vertically upward with an initial w1tl1c ,4 htznl; i,r*u3qphj velocity v and an initt z, hl*1 l; 4uctqwrp3h,1nijial 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 frw8vfht5fy c6 5om 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 reasonw8565ff hc yvtable 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 be dropped from an 1owpi:/d*7cubv p2m rairplane 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 each other wil 2upimb1cw rp7/vo*:d l the bales land on the ground?

  01.14: A football is kicked a dmrqc c-a9ept )4vg x4)istance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its highest pa9mv)rgp t ce)- 4x4qcoint.

  03.10: A ball is thrown into the air0:*l rf 1mtss-m pccy0 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 towardb1jw t9frj4w ) a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling thjf )wb91w r4jte next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a 2.jirv6h4+q +zg vjwfbow 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 launched from the q (sz *r3r *3vb,rmvhfground 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, fbrv*szr3 (,m*rh 3qvwhat was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at a xdv+yc//v.lurkl o:sd +z.agy;u(9s n 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 mas*fd( qebrj:8;t.4qd)fb tzl z s is 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 throwx*2 ss li4mxq4n horizontally from the top of a building is shown as the dashed line in the figure. Which sets of ar4sil*4x2 sqmxrows 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 . mn71klgfid eo,)rl (angle of 7n)1l ,ide og. ml(kfr$30^{\circ}$ 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 /s g :o+5gaqd kvoyesp5+kzy*o o 7x5.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 the horizontal from a heighdtlq(. wv:1;vw n vj6uu4w1p lt of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what angle below the horizontal 1.( 6p q u;ln vwv4jdwvultw1: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 horizontal wi2fkas+e:--rk :.ckhre qett2 th a speed of 30 m/s 2k +e.: a:trkt-c2qhsefk - re. 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 lauxp uwtn.gx-jzhy1ek0 ov*, * .nched from the top of a cliff at an angle ofx,*. e-0gt1kju*z o. yxp whnv $15.9^{\circ}$ 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)