07.14: An object moves to the East across a frictionless surface withqg;aede0q*kvpxuo5 :*p c:0;/mkhel constant speed. A person then applies a constant f:;vke*g0euxo c qpea5/0qp; k*h:l dmorce 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 same sgi2,orm fun.1o,z wu. peed from the same starting location. Object 1 is lauo,1ouiuzmfg2r.w. n, 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 same sp e )pz1k6xe/zs8mrg u8eed from the same staxp8/ ezr6 1s)zm u8egkrting location. 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horizontally, directly at the ied v8r2x,ax9center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, d v ,e9r8ax2xiwhat was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speed 1l: vc7 m5i(bb5njl0xe +dd9 byc.qsv. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degr( ce0b+b 9v:j . d5i5qydvcllbs7mnx1ees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizonw l0jifmk98 d o73;2lny2xtif :u/co xtally from 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 statemjkl:n8fyxdtilu3ci09; f2 m27 w ox/oents is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an in(e7nb4jc5ogff; pw4 ze(4w gpo2nl s;itial (f;75;so4nw4 b4eofgpcj wzn gp2 (l espeed $v_0$ 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 qwjpb02-d ;*rkbg17vjv(m9 xx /u qprvertically upward with an initial velocity v and an initial ki *r/(w-mbq p jvk vb0xxg;q1972urjdpnetic 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 ha.de/1a k7 fi5rqo:za ed 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 se.1k/rqieo5aeaz 7: df conds. 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,tv0t7gbq:k)c e x 5rr+ 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 aqx b vt0 e57r)g:k+rctpart from each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field. Negwu (ws1 8vhzmm3/ ;o,x0:b kttnaoi 6jlecting air resistance, which of the following statements would be INCORRECT when the football reacm0ax h o bzo81in:u /v(m3 wsjwt,tk;6hes its highest point.

  03.10: A ball is thrown into the air at an/0x ndsswrp47 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 t+c6ujwg om0m zf,4xau a qhlt7z)*n)1raveling first 5m horizontally, the arrow falls 0.2 m. In traveling tn06*,z )hw 7 +ma4czxt jauomg)1lufqhe next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at avg05k5dbsnz - n 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 horizontal distance o7 ;dbzbgueh4r+i vp *fts.l* 2f 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 pr7be 4slbv* ;f hut2 di+*g.zprojectile? Ignore air resistance.

  13.14: A small ball is thrown at an angle of i4opi5 uq ;)rujyzd .h5.p2q4 vz t(ko$30.0^{\circ}$ 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 o7yvx .t0 yhj0with 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 thrr3x zalt 31a/pown horizontally from the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to txa3l/3za t1 prhe 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 p +w1x58gaxv/svhg+l object from the top of a building at an angle of a/ gpxw v+xl15sg+vh8$30^{\circ}$ 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 grou2sqs t+e9: byvnd 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 w; 7dk * .lpqylzok +imo1v+d7launched 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 anldkw;.qd pkoz +iy7vlm*1+o7 gle 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° abog3f + aaqh71h2l d oemkdid2bwm ki8zai0) 937ve the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° azd72dw dq+2mh i3i09i ba8k1)gmo73fa eklhabove the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the top of a cliff at q q 2fsrf(d e,ghv+az 4gpc7.8an angle off adqcr+p,veh8qf s gg.2 z74( $15.9^{\circ}$ 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)