07.14: An object moves to the East across a frictionless surface with conshc*3 6i6rmv,gdmw c o*tant speed. A c6wo3rd, gicvm*h*6m 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 Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same s731 0ohoqo:nm8v hlta peed from the same starting location. Object 1 is launched at an an1qo3a m0o:n7v8lhhto 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched with the sa9++ s1xqvnr7 rv cfb29 dof;zome speed from the same starting location. Object 1 is launched at an noz+v7rcfd x;f1q v 29osr +9bangle 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 horizontallc( yurxug z( nj:ql54e)i9;dmy, 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, wq i) y;eun4 mr(z5dl9xu(:cj ghat was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speed. A at an a:3w4u;gv w 5 rvfpwqq+5ljb0fngle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the same spot on the ground. Whgfbu 5r:wwv q5;jp40 vlfw3q+ich arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same einxt,oz ; r-ruju. 26instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the followt,z.6 i xr-2 our;jenuing statements is correct?

  96.08: A ball is rolled off the edge ofhom1*y zzxhie5 91h3q a horizontal table. The ball has an initial smhhyozi e*5 z1hx19q 3peed $v_0$ 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 anw8axzj8f, m g9d an initamw 9g,8jzx8f ial 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 rece , qub+bgsg5,pnt winter storm, 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. I ,gpu b,5+qgbst 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 airp4n *rqnd g1s4v)enuv,lane to a e ,s4 1v uvdngnnr4*q)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 on the ground?

  01.14: A football is kicked a dist gr e 2evsu(tx-dz8g3;hu7e.yance of 50 yards down field. Neglecting air resistance, which of the follg 8e;u27hs-yvg(ex 3d. uzertowing statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at rg r8am w)7k vp:f26gx04f rcfan 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 horizontaw9nwpgf gk;9u7 e er8p9;p3bi lly toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the 7u; e9bipp8;9kpggfr w9 3wnenext 5 m horizontally it will fall a additional

  06.04: An arrow is shot r lt7 +.p bhc:zbgdkil(.8g+kfrom 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 dyb x0ey z) pqd4gh9-eme0 yn))istance of 120.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If the projectile lngy0h de) e)zy40eb)y9q-p mxanded 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/yiu2vr+ v mbk jw wg-6e1n hh6g,h1t8 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 :pku*tdq0pqrq9* s1 gn3gd.b8 ulfd*b0es- u is 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 themkk3d: (m mzj; top of a building is shown as the dashed linmj;kdm:z(m 3ke 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?

  02.41: A person throwsqk,js (fqyrv 391hq az x5-l 2+:kjzue a small object from the top of a building at an angle of jheq y :r zq-ukj3(v f+x521qsl,z 9ak$30^{\circ}$ 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 f8;sfoy9ow9p 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° abovhs0d,w w b m3-nonk8l8e 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 resistahksl880d3o- wn,nmw bnce.

  17.32: A projectile is 0iz3cw8 v7iz /gihub8 launched at an angle of 40° above the horizontal with a speed of 3 bz0w8 vzuii/ 73hgci80 m/s . How much 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 mass is launched from the top of a cliff at an +aoixc5: eki(angle ofe+ax( :c5ioi k $15.9^{\circ}$ 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)