07.14: An object moves to the East across a frictionless surface wite7jilg:,, jkgmyt qay.i2uqhiwq +9 n 01/p7kh 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 line27/iw+iyki a:qgqtk09 7jn1uy,gmpl .he,qj path partly Eastward, partly Northward

  07.15: Two identical mass objects mu2ofb+0 4 gzhy:od p5are launched with the same speed from the same sta gd+2phzf:oob04m5yurting 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 obje 81v8(1degdqx-uid dects are launched with the same speed from the same starting location. Object 1 is launched at an qd(-1deix81g 8du vedangle 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 horizontaq/*a/ fc/c gqilly, directly at the center of a target 20 m away. The arrow hits 0.050 m below the cei //gqqc a/fc*nter of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same tffd*b9cmf ;, co1b g.pime 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 spotg.9fo, 1mfc;b bdpfc* on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the seil9ma hm+-.8,twub 2i+l r uhame instant, a bowling ball is dropped from the same m9arl2 + ilw.h-bmt u,+i8hue height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edg xp (f*,glvm(ve of a horizontal table. The ball has an initi m(vxvl(*g,fp al 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 vertically 9t s ; 8kxiip; icev;d)24w4bno4t nngupward with an initial velocity v and an initiaxi4ip2 ;vni swd;ecg4 b;) kn48ot9ntl kinetic 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 to be dropped from am8hei5-w bn7u uw8 qb:n airplane to a herd of c-wn: bmq u88whe5ui b7attle 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 distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped from an agy6s1khc (ml .mr0;egirplane 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;lg reych6gk mms.1(0 apart from each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yas ogx7f,y0z. zrds down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its highf.,o 0gxzzs7y est point.

  03.10: A ball is thr 1 l0bu+eohul6ocb / sg,ae/6pabl m8-own into 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 toward a vi0o4+ rhc3flp. o9 lz,u.lig e.0auttarget 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In travelinolhl0t..ao,lf 0 z u4vp9g ii.c u+3reg the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angle ofvym 5nj7*nq:gpgb,: sa8vfac+a j)2p $40^{\circ}$ 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 l109 7a 1ec6frgwhweh 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 air rwrl e9e1ag61w hfhc 07esistance.

  13.14: A small ball is thrown at an anas2)oqam (xu z(rf3g ,gle 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 fu5a.u2 dusz:)xzm3j w rom 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 any vxltss o,*n .le1 adj4m1f.1 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 trajectory? . ,llvdsxjf*ston .e y4111ma

  02.41: A person throws a small,6d fu1ztlfvndq* ) -tn50l sr object from the top of a building at an angle of svq1 ur)zlfd0,ntt5nl6fd* -$30^{\circ}$ 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 f (ss.akcu79d 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 30° above the horizontal from a height of 10.0ynd-+mjr8* /h9k,8on v w ixku above the ground. If the initial syd9hr,*k8-n mxu+i/n8 w jovkpeed 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 resistance.

  17.32: A projectile is launched at an angl c;)p-ip7q seve of 40° above the horizontal with a speed of 30 m/s . How much i-;7cppq)evs time passes before 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 massvlcxgcs/, //lvzy/o- is launched from the top of a cliff at an angle of s/v/,glo lyzcxc -//v$15.9^{\circ}$ 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)