07.14: An object moves to the East across a frictionless surface wihhk s i:1zxz(vp,9+fp th 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 partly Eastwa9x v1,+hpfik (: hpszzrd, partly Northward

  07.15: Two identical mass objects are launched with the saznbn rj 9w76cbcrd4q0a l9/+s me speed from the same starting location. Object 1 is lau w/s z+da6 ql4nc9crrnb b0j79nched 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 si9c*p; im),9afsm gv.6v n7o mvwhu8q peed from the same starting location. Object 1 8i) 6a.n i 9og,f*q7p;sw hvvcuvmm9m 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, (,5 u25 o*zaryuaoa m(hl 4odydirectly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglduy uoz5oa2,4(o5a rym lha(*ecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at4dabiy5( 7g* onhh8 gq the same time with the same speed. A at an angle greater than 45 degrees, and arrow B at ba4*y5ind q8(ogghh7 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 horwzf.z8fk)( /9vefj jw izontally from 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 is correct?/zkfjfe8wv ( 9fjz)w.

  96.08: A ball is rolled off the edge of a horizontal table. The ball ci;0yaq,f76o 8s-hsry o5hdjhas an initial speehd6ah8; jo s7r sq cy5if-oy0,d $v_0$ 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 annc) geb +(.)i 6ckeso32aegtp d an initial pa+ ne3ceit o6g)(.) kbcs2egkinetic 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 fromx5mzlt(;v jaor) ;q om4wk7 1y an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 180 m with a constant velo v k; mxozojw)m;7a tr1q45y(lcity 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 ;ylv9-o3d0wz t mow.7y orog-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 bales land on7owrm o-vz y9 ogty ;l3o0-d.w the ground?

  01.14: A football is kicked a distance of 50 yards down field. Neglhl1fy0oe9 e.w ecting air resis1hey o90.f weltance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air asd p7w-c *1l2t4kz /2z bdjjlpt 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 horiq*; h(x. ecspizontally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizont p*x; s.(qehcially it will fall a additional

  06.04: An arrow is shot from a b gaoa2 j).pq/xow 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 distance db-9ey:psbkr6cy29 bof 120.0 m from its launch :y-rcypsb6bbdek99 2 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 resistance.

  13.14: A small ball is thrown at an angl* iu5-d(octtogmv(t ag 1m74ye 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 isuju pi:t 6hqu;:6.y re 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 horizontally from thxhp/6 , : pqsv(dlc4wxy52ekce 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 accelerkxe:p( 4cy 2 xsv,qlh/dp5cw 6ation for the object at the point labeled P on the trajectory?

  02.41: A person throws a small obj3z2ebhwtilr*k p v2.di:-w4 ject from the top of a building at an angle of *tv2 4 z hb .3wpj2drw-:ieilk$30^{\circ}$ 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 jb +v;yzri2 (hcjqwjk 2:;e2f3;f yymw(+xkithe 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 aw z* h*u1e9 aruk(f*yl height of 10.0aueky(w rf *1zhu**9l 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 resistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal wit)i mkte1 b uh7g.hvf -,,+mhyah a speed of 30 m/s . How much time passes before the position of thevbg-u7hh1 f,ik) e hamym,.+ t 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 * :;xyl7n6tb qlua4; wen+qcl cliff at an angle of l;xc*q 74:qw+ty6al n;b unle$15.9^{\circ}$ 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)