07.14: An object moves to the East across a frictionless surface w(h:p94h pz ms8xnl0beith constant speed. A person thenxh8en lpspz9m:h(0 b4 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 +(ya :jz6im qefj 8:vheg,mj6 objects are launched with the same speed from the same starting locam :q,y6(i+j h gemj:ez8vfj6ation. 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 arenbx2iym:q+8-sj e9pc k*dl y / launched with the same speed from the same startinjiyb n8+lmyc9 e -s*kpdxq:/2g 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horizontal,dnk x;ua06n xly, 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, what was the initial speed of the arroan;uxdxn 0k,6 w?

  03.05: Two arrows are launched 6adsr en+rm6u6vc .4:ogwes*at the same time 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 spotw+ u6 do sear 64gv:6.semnrc* on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from x*y,vuxc) du 2sia .q;a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored,2d)q,asyi. v c*xu;xu which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The5qo1k(y5 wq:q odaql,f 9li2l ball has an initiwl a,fqd2q5q k:o9qli5y1 l(oal 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 (e 2hlyqe,c 7w1 :ojbim+48sovcp; gjupward with an initial velocity v and an initial kinetic energy bp e +i2,lesyqg7w; 18ch m4(ojo c:jv$E_k$. 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 dwsx/- 39anl3 a1irwfozc1mv 5 ropped 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 aa/mw3i-5no wvr91z x3f c1 alsnd 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 s)ow)nv 5-xwv g3b- ohairplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 180 m with a constant velocity of 50 m/swbgvx -)v5) owo hn-3s 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 distance of 50 yards d 9ptx3u 6nbu xj2s+l78ur9mlnown field. Neglecting air resist npb r lu9xx3nu9u tm2+76sj8lance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown intok6lk kbkiwn8:6k/xa+ 73eu b i 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 horizo.zh(j*n(6o; 6c gvfyq nk4vzd ntally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling thv.; zkv hyg4f(z* n(n6oj6dqc e next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an a7 f zeiri2p6j+lunkg+8vt;m 6ngle 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 ocha d6eh./t a).g4acbf 120.0 m from its launch point. The projectile was in the air for a timehd.ta ca/g h6e )a.4cb 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 anxf..sx r , 863mu( mxqx ggxr9wkng.g6gle 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 launchq(6g,.im 6 8h8n vdrnpn0t x2 cxr,ez6fmjv.ued 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 6escokuwp1:2 object thrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets of arp 2 :ewocuks16rows 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 throws a small oai vwc2r dbc/*h*6+j bbject from the top of a building at an angle of 2chc*wb bavji/r* 6d+ $30^{\circ}$ 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 at an angle of n os,l;spcf m(+0xn9l$60^{\circ}$ 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 ofj vq c9k.)dbo8 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 resis.qoj )d 89bvkctance.

  17.32: A projectile ie6mn8k,4sm h. /z+p(wlelbl r s launched at an angle of 40° above the horizontal with a speed of 30 m/k+me68 h/lpnw.eb (zl4m,rsls . 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 angl;imfmtoz5 )/w e offm io/ ;5mz)tw $15.9^{\circ}$ 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)