07.14: An object moves to the East across a frictionless surh 7x;43m9lrr m zuftg+face 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, partly Northw;u7hgr f3 r tx94mlzm+ard

  07.15: Two identical mass objects are launched with the same speed fromjvfd z.ds9edpqr 5s4.h q(/u3 *o m,sri5c gx; the same starting loc rzd(,drx eqq5 cgd/4s .pi*o3mh5f9v;ju.ss ation. 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 speevg0ad9 q xitmp*iu-:r0j( 2fjei 9z*nd from the same starting location. Object 1 is launched at an anfijimqpt*0d9z*r9ve xj :ga n-0 u2(i gle 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 tuyn,oa,0x1n 52ir yc oarget 20 m away. The arrow hits 0.0in ,2,o1nacr5xyy ou 050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at 1j+x,i)kooo3t acs hp(,pjvfp4 8r*lthe 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 spip,o ko3p4(f+lh* c,pxstraj 1 j)v8 oot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally frrs len,vc5hnj( mtyz0i)/d+; om a cliff. At the same instant, a bowling ball is dropped from the same height.ye) 0mljir vc z5d+ nh;t(sn,/ Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge o puuov93dn b2qca5-,tf a horizontal table. The ball has an initial spe t5d,vb-9q2opcaun u3ed $v_0$ 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 velocity v and a,a9fb:(y d srvn initial kinetic fb,v:a(yds9r 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)*q/d , s iasp3pdoqh- 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 will happen to their distancedsp *, q)qhop-/ai3ds of separation?

  00.38: During a recent winter storm, bales of hdrwxcfln r150-:ugj a9gpn)k.wd4b1a8 u+ iz ay 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 apart fawui:k)gr84r z0 dfnpg l.95- +najcxu d1bw1rom each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field. Neglecting*t+8i rzrk4 m enwv7p)jtr*k;e0 zk9r air resistance, which of the following statements would be INCORRECT whenme**7kv0erwz 9ptnrki4+)kt; r rj8z the football reaches its highest point.

  03.10: A ball is thrown intod v*krs- )6cj 1afv0rt mt7pr* the 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 t 8 5np ys j,26t:u/k1/9mptsl*w jqtrgi(pvbioward a target 20 m away. In traveling first 5m horizon/mgu61j ,wk*9pptpiv2 yqnss(/t8 5 i jt:rbltally, 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 at arl;a73bycm0rmu7 iq4m p71nbn 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 launcz2y 69fs6q1 6glozaq vhed 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 laun19q6 a q2gy6l o6zzfvsched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at ao 5n:k2zm, eron 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 th u,b0d8a 74gify3srzbkt7 *a ie 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 thr8q qijzp-6xq c31 ,v )hb3api4voei2rown 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 trajecto1e)rq 3j4 b3x 6 pp,8qhiavqczivoi -2ry?

  02.41: A person throws a small object from the top of a building atigyuu)u c ()2ofju29g an angle of uojy)uf 9u2(cgig )u2 $30^{\circ}$ 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 angle ofd36 d ztzjx-9 c-ymm4w $60^{\circ}$ 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 n lz5dqzksfof; e7lfu m)m;3bg) 9/m1launched 30° above the horizontal from a height of 10.0 above the ground. If the initial speed of the object is 15.0 fqm m3;)5 z fb)nmke7/gdsuo1z9l ;f lm/s, at what angle 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 wxm8(d*ct oif 8oos22° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes *2so82(8 m oo txcidwfan 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 at an anoiegrvq -48f4 gle of vq84egrf -oi4$15.9^{\circ}$ 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)