07.14: An object movesuf. h u:uf,l8w to the East across a frictionless surface with constant speed. A person then applies a constant force to the North on the object. What is thuf:uwh,u .8lfe resulting path that the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objeci 4kim-hj(it*ts are launched with the same speed from the same starting location. Object 1 is launched at an angle ok-h4t*ii(jmi f $30^{\circ}$ 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 thed,k2 i2 yy)blf same speed from the same starting location. Object 1 is launched at an anykb2lyd2), fi 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 cent,9tzorn*e o 9f vxo5n7s;0gqher of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistanc5zeo*no0srh n79o9t;v fgq, xe, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speed. A at cb6szrhr pxwab3dz)q-,i v9-b62 5ej b1snl( an angle greater than 45 degrees, and 1)xzchvb wr s,q6plb ( 2dsbi- 9rz5 j6a-be3narrow 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 from a cliff. At the same instant, a 7d zp4 egbzr k;5qw,r0u5g)ejbowling ball is dropped from the same height. Assuming air resis5,er0przd5;juzk 4wegg b q7)tance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has anyim7 hv5x.3: wn gzryjjw1.*a initial *n3jwxhi . zgjr.571:yymvwa 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 upward with an initial ve hk obq1+ *rl98c,gegblocity v and an initial kinetl8eogc + gb,bqk*9r1 hic 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* l+o1gtrlo p vzyut5bkff.) c 25k5(a of hay had to be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitgybokt * ftk5 oua.(2zl1vpl5)+c 5rfude 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 sto lb- 6amzmfv f:ihc8.ua2,t3zrm, 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 negtuz2 m3- l z.a:cf,bv8fmha 6iligible 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 ofb6+chmgc(g*jt i 2xh)rq ou.42 o(nw u 50 yards down field. Neglecting air resistance, which of the for 2q)tmci*uoxn+hogh 46 w jgbcu(2.(llowing statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at an a7u+hkcwf8b pgw p+93wngle $\theta$ 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 oo, w b7 dh0b b)4cn is,vk859yaxjaq4a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the ivab ao490cybj)x8 s,h odk,q7 45nwbnext 5 m horizontally it will fall a additional

  06.04: An arrow is shot froms5t+t)6scln c; jqeqm* m vt*,p6mo- uxyex 77 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 ho8vy ufm.01ts6 k7 mg5xbh u7srrizontal 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 resistan. vru 5smks 0f76m tgu1x7hb8yce.

  13.14: A small ball is throw xf 1f5tjz,t-q :nbl4hez bw9si+5-r un 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 isli+6ul( pevl8 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 an object thrown horizonyd6,a/ vi;crt2po 0fgtally 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? ;vp2f0/ t g6 ,dricoay

  02.41: A person throws a small objectn2cv40 al n syki6r.+i from the top of a building at an angle of .r0 ski24nciln +6avy $30^{\circ}$ 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 launchedqrs,(0+7sr o+qof6wj q c4 s.di9rj pa 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 30° above t7hug j+t1xcy: p4bew (oi7;zw he 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 moc1o4 ztx ;phiu7(e+wb:w 7y gjving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is laq(6t yhtmgfn, ep-x;:unched at an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above the horizontq f -mxep;:ty(6gh,n tal from the original launch point?

  14.40: A small 1.35-gram mass is launched from thbfscu-xr23*t j; ttv 5e top of a cliff at an angle of -ttc2;txsjr5f*3u b 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)