07.14: An object moves to the East across a frictionless surface witljp+j3 40xlnr3uf *xl h 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 partlyxfl0l*x r u j3n43p+jl Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same speed h/nsjft50o;6ho e /gefrom the same stas/eh0oj/6ftn ge h; 5orting 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 with the same speed from m2*(ec9laj r 0msv 0r)6wxdsethe same starting s*c a2me xwl0mr06r)e j9( dvslocation. 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 center of a target 2zjm)i5 w/0x4+ ity r7ulb:lrs0 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, whatli:) +xrt4 rj/ 75liuywz0bms was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speed. A at an an3y2vwj)hyz2:+m z6a h+)w eauda v 5w2rexqj;gle greater tha2y+3y e 6 rd2qjw:vzj)h2w zxh+ev)a5maw;uan 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally fro ozo( :phx voc1hd 3wi3;bdn-z15h.hsm 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 ipdc35hz ih ;h.hds:ov1no(o z-w31 x bs correct?

  96.08: A ball is rolled off the edge of a horizontal tab9cvs)h 13k cxsle. The ball has an initial spxs3kc)s9vc1h eed $v_0$ 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 init h:rnm7i9v q s;75t sbyzv*j3xhtn8p7ial velocity v and an initial kinetic ehxpjn 5r:;s3vtq b 87hs9n*ivmy77ztnergy $E_k$. 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 to116ba(c7.pqle1qsw 8i iwixs 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 wq.ix1lcbieps167w(a1sq8itheir distance of separation?

  00.38: During a recent winter stormr /dv5.z9j;ssw s2b0gxjaj) t, 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 apart from each other will the bjv0)jb2rs/x g9s sjd5zat;.wales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field. Neglecting air re a 3mg1k0w1o va1/0gs vszoq6msisg6 s1/qok swa1vv 1m00gzoa3m tance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air55efmo q; o7nt 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 target (3fs wluc s2c:o0;emve 2 rfl520 m away. In traveling first 5m horizontal:r3elfvc fmo; 02weslcu s2(5ly, 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 autf r)z(y. /k 3.cysxpt 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 distancerb9 e-pq *1dbcb(nz4u 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? Ig - nu1d*bqep(b9b4zrcnore air resistance.

  13.14: A small ball iss a9*)/ilemy u gv8;uf thrown 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 launched from the tldap:2 gbvjcf 1v(h;u84 otk/op 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 thrown horizontally fvfn)jhk y*2l csw,/ b6rom the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspoj2l6)k/*,bc hwfvsn ynd 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 th*h6 15mfbiras e top of a building at an angle of *f ah1birm6s5$30^{\circ}$ 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 la u)otvhha.g y9am *k-5unched from the ground 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 launched n vmya k6 5-((crp o)uqcgcctna+*m,(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 angle below the horizontal is the object moving when it reaches the ground? Ignore air resistanc)(ymv+ 5aua n c c(-c 6q(p,crmkogn*te.

  17.32: A projectile is launched at an anglt;47 ich rh6e4summ1mm:z+ml e of 40° above the horizontal with a speed of 30 m/s . How much time passes before the posiet i 71 :m hmu64smzr+m4lcm;htion 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 topl)1: han8ed zd of a cliff at an angle of e h8:ndz1)dla $15.9^{\circ}$ 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)