07.14: An object moves to the East across a frictionless surfa 43i 92jyv4vbl4vhw4 mhc7a4 kfjouu *ce with constant speed. A person then applies a constant forceua9 jb34h7*jl4oc mv4w4v24f hiyvu k 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 pm9( kiv pi8/wwith the same speed from the same starting 9( p/iiw8v pkmlocation. 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 speed fr d p,h w8vl655cqube2cf btgho,** :ahom the same starting location. Ob :*8w vcctl5u df, *ahq526pe bhhg,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 horihrpt0z-9) dx g0th ci2zontally, directly at the center 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 speed of the arroip0t-hzg9hd) 2 0cxt rw?

  03.05: Two arrows are launched at the same time with the1sl 1e z:zbj :yp78r t2vey,lwdt 0bi5 same speed. A at an angle greater than 45 degrees, and arrow B at al p:11 wt,8ys b z7ev ieb50zd:ylrj2tn angle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is.kjdwcthdg4c/+ nr9jz (a f18 thrown horizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, whijcc (.n 14hdk dw9z tfrjga+8/ch of the following statements is correct?

  96.08: A ball is rolled off the edg5wd ;pcrmv dq;+35 0wfq,.-zif )qipu j7wofge of a horizontal table. The ball has an initial speec, o.- 3)qjgwuw+vpwqd 57 rif;dmi0z;5fqp fd $v_0$ 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 41aak9eslz6u 3nx4 szwith an initial velocity v and an initial kinetic energyue1 4zsa6z4l sa39nkx $E_k$. 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 from an p ep.3ita9u -k+e.kvnairplane 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 wil-e+vu.kt .eikppan 39l happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped14b6wv 6vn qxh 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 oq v61bhx6vnw 4ne 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 yards down fie trlhek 0.e+5v4424pohekpb l9mch s3 ld. Neglecting air resistance, which of the following statements would be INCORRECT when the foh svpkch4054lbo2lrp.e9 htee 34+ mkotball reaches its highest point.

  03.10: A ball is thrown into the air at rh7 sw;o*bn2zvyf8e7 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 target 2 t.xtz :hlq892gs6 4wsb.na 1oi7ilsc0 m away. In traveling first 5m horizontally,. a9bz.sx6t4 8it7ngl1 2 lwhoscisq: the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shm7 l3/v. yz6jbtx5nk8imv/n l bor.e3 ot from a bow 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 ground landed a horizontal dis. 0 giimudt;)0gie lc 8)khc,qtance of 120.0 m from its launch point. The projectile was in the air fot0gl8uik) ihd),ce;mg0 qic .r 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 air resistance.

  13.14: A small ball is thrown at an ap2) mtm + lubz1)vbo(zkktvvm;9dv0.ngle 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 ( 5a ch;t o5dgslac9;cis 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 akth(ny; -ls ;qh84tieor0w( lp2 jnd1::ghwm n 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 accelerationjk-0h:entt :l( wh4(;q s;1hm8gwoi npyl2dr for the object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the top of a *e6abpk p;yf/ jkax 38building at an angle of 6kk j ppx3/yfbe*; aa8$30^{\circ}$ 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 offw0e)s/0fdy mrd )v.c qf( /tn $60^{\circ}$ 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 height 1e..wpx - hoau4x6sbeof 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 reaches the ground? oeaxp. u4xb6-h.s1we Ignore air resistance.

  17.32: A projectile is launched at n6dwi62fczwx+4,e s *uzyd /yan angle of 40° above the horizontal with a speed of 30 m/s . How much time passes by*xd 2+ww6zs n fz/6,ud4cyeiefore 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 launched from the top of a cliff at a,b,xi( yj *gg/ma e8cin angle of ijg /xmg*e 8c,yba(i,$15.9^{\circ}$ 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)