07.14: An object moves to the East across a fr (2- lpd8kmyl3em(z hqictionless surface with constant speed. A person then applies a constant force to the North o-l23pd8lymqm(zhek ( n 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 speedj:n:mbmehmje /*nkty c .o, 86 from the same starting location. Object 1 is launche/:ocjtjn bm *ne.: he8 y6mkm,d 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 speed fn st71p vjgcn6-wbxlt4-d r ++rom the same starting location. Object 1 is launched atv 6tb4j + cwldrn1gsnptx7--+ 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 hori1yzy82hr x,6fw. n5pqy abocd 7 nj3g.zontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the n.nyyw5xcdh8f r271.6y jzpgo,3 aqb target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time w rt1lwwr i1cg16/m u7mith 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 spot on the ground. Which arrow arrive1 m/gctr6w 1umlir1w7s first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant quf(v8oq7pfp+suw) 2, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following po(wpfqsq7 8u2v)f u+ statements is correct?

  96.08: A ball is rolled off the edge on ,e-l: y qxzodxw;t1uc e96x:l,n (dmf a horizontal table. The ball has an initial speedx ezxnmtw: ,ydn eul6 1:xcdl,-o9( ;q $v_0$ 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 an iu1t71sqdovm 08ll2 bwnitial kinetic1t0 sdb7lw2lq v8u1om 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,hn6z cn.;p)zdh5as /+rh h w2k 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.;6 h5d/nz+r ckzp2sw han)hh 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 bj 9qjtxc6. q,gujz:/t b2ao 0le 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 from each other will the bales land on the grounj6lab jj,q tqu2.zg0 :9txoc /d?

  01.14: A football is kicked a distance of 50 yards down fieldlnpqn/hy* - ;j5:x -,7lhv o) tlqwbyx. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its highe)l:,-q/ o qxhnxj 7;bl*yl th-vnpyw5 st point.

  03.10: A ball is thrown into the air at an 6,s)kl6 *n3aa ov6lx2bgske mangle $\theta$ 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 sh1j, 2*a;6kr gcyerfhxot horizontally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizon hf yg,2 aek6rc*;xrj1tally it will fall a additional

  06.04: An arrow is shot from a bow at an an3v8wkyk0cw43k6z m)t*i6i wcx w0eu: jzzxm,gle 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 of 1204wx tjb8 t7gk4.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If the projectile landed atgk 8j4bx4 ttw7 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 ang9y u oqc3u72xa axem* l75cym5le 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 launchekl9, j3sh7fl97lmzal9 bfr*up4 ohl r)) )aowd 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 eil e 2q+1::q-or+hrqbnhgu7object thrown horizontally from the top of a building is shown e++uo7l:i hq nr-h: e1qqrg2b 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 sqqv jsro3hh-(t.n m9jr9s/0:,ebr1 gh 7ykg a building at an angle of q ./h7(sb9s0hsvgr3k jgr9jey nmhtq:,1- ro$30^{\circ}$ 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 ofs libls 99nibmq.,;s5 $60^{\circ}$ 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 fdf vfy3rn9fhx;: 3chl qe63o).,kv hurom a height 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 whrn hvq6f chklf,:hfx33; e)d3ov9u. yen it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above the horx7wr) /rmxa*l3r6p /)z a3yxbgh)m bcizontal with a speed of 30 m/s . How much time passes before the position of the projectr gxyxz6 7phr b am))3 a*lwm/bc)x3/rile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the top opkq gb.rzas2/iy* u (4f a cliff at an angle ofirsup gb42y(ka/ z*q. $15.9^{\circ}$ 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)