07.14: An object moves to the East across a frictiowhd 75i0 ;uwflf-ym2p nless surface with constant speed. A person then applies a constant force to the North on the object.p;m fu w57wfh2l0y-i d 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 speed frofa5(o e,uwl-x0in vnt+7uym 7 m the same staona +0e7vw(lnfxm7ui 5 y u-t,rting 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched+2 rs7ng+w4 tli.m:p khw l71o5gwlkv with the same speed from the same starting location. Oktsolp1l .w 4: +m+g grw2hlw775n vkibject 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 ce fj)f, 7jdm:isnter of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial spe dj)f ,7mjfis:ed of the arrow?

  03.05: Two arrows are launched at the whneaj9kq: ) .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 lan janq9ke) w:.hd at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is tf3*g *wr5a-ox6rdqji hrown horizontally 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 statements is corrodf*-xarrji q6w *g53ect?

  96.08: A ball is rolled off the edge of by:yfb) dq. 6g7f0hdcrjk,( aa horizontal table. The ball has an initi07.ay d,6k (qfgbrcjy :b) hdfal 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 vertiuc(7y.6q l tj2 :5ps:idw hgfbcally upward with an initial velocity v and an initial kin(duwi bq t :g schl:27.65yjfpetic 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 h8/u zxxxs* qf0ay 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 fallin /zu8s0xqx*xfg through the air, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales of dl73y05n mqdo,uo weo*) my/l hay had to be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizm lo3)m75*oq ny,ddeuyw0lo/ontally 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 yai6e0gvy6tp8 n rds down field. Neglecting air resistance, which of the following statements would be INCORREC8 pngi0t6eyv 6T when the football reaches its highest point.

  03.10: A ball is thrown into 1h(7dbhigg, v1ox, i mthe 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 targlq8 (bj-z0mnaflwf d 9vw 4p9 qdfc0tss 136*set 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next wszt1p9d94sql* s(jwa3fcd lb8nq 6vm0-ff0 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angmby lq: 5u gp.1p/-jevle 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 landedv.z/3se(, arjkfe* in 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 3 z./,s(rvejn* keiafair resistance.

  13.14: A small ball is thrp71s7gok6f8 7 yz)axjzwz; 6wmbog 1a own 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 launcx jr3yd5c . r-9b(llhvhed 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 o 2+ iu .2ozi,in rosv7;*keu2js*iulg x*n+cdf an object thrown horizontally from the top of a building 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 tradclr oi*iiksuzsuv i.n*ej+gx2u;o,22 +*n 7 jectory?

  02.41: A person throws a small object from the top of a buildinhpi)j yg09. 10bulg;sp orp, v(0cqf ag at an angle of qiu0 ghs0l fb1) yo0ppcap,;g(9.vj r$30^{\circ}$ 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 anueozm/ ((mz9z zr/tf2 hf9bg* gle 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 heie.w:u .u4q yiyght of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what angle below the horizontal is the object moving when it ryu:u y4iew ..qeaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° a2vg tq4 xdqx)fmvu. v6 phj-ku5u l.)+bove the horizontal with a speed of 30 m/s . How much time passes before the povv + u)htpu6)lkm. q2uxj-.q54xfg v dsition 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 fr92z(:.imu o m dktrj)vw (a-lmom the top of a cliff at an angle of2a(mdmk(t luom:j9.vz ) - wir $15.9^{\circ}$ 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)