07.14: An object moves to the East a 82f pzh,-i9 )mnlyc2qsjx:yo cross a frictionless surface with constant speed. A person then applies a constant force to thm22y -8,zf :s lyhjc)ixq pon9e 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 lvh1hlyj+8hn 0 aunched with the same speed from the same starting locationnj+vyh0 8h1lh . 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 are launche k*rirbjb186 rd with the same speed from the same starting location. Object 1 is launched at an angle8kr61irr j b*b 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, directlyx;l1ad*dpk 1ue05dd p at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting a; k1dp 5*eax0lpdd1udir resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speedsxj yzg/9iv)y(+b8 f9f :fljz. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Bothxfl/zjgf sy y)f99j 8(+:ib zv land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff5 +qnuggriq:vv7r ro 7 8;:dsm. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the follvrqov ng mi:;7u7dr 85sq+:growing statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball i xn/ g75uqhw6has an initial speed6w 7 uxqn/g5ih $v_0$ 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 upwy 9d8o(ui/kbsard with an initial velocity v and an initisi8yo (d /9kbual 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 h ck(s.w4 h.(wnzrb zh9ad 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. As the bales are falling through the air, what will happen t w.c49hzz.k(sw(r bn ho their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropi fsuz.* r-tkxf4n)3yped 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 resisyf*4rufs3-i kt)znx.tance 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 kicf d.iwk/o47 seked a distance of 50 yards down field. Neglecting air resistso /7ke4.wfi dance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at akufx lsrh-y;bqb);+m5uo /*e 5gte +* wc0i zmn 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 target:g43m) e6qv djfnsq7j 20 m away. In traveling first 5m f3:n)7m4desqjqv6 jghorizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angle of xwp-yz,byn y gukoe.. 9b7x48$40^{\circ}$ 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 a9h, as /hpu:/r * x)cccdpuqw; horizontal distance of 120.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If tp; qcu/9ah/ c )rw,dx h*cpsu:he 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)2;sx tqd 6gug 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 is launched from the top of a cliffrb:mqs/gw r;7 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 the tox* yzr7e68b3 jsxxnuiy4e4f3p 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 thx48xe ry 3nbf4jzus 3xy7 ei*6e object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the top of a building at an anib.pjo . 1rikby 1t9j09pqef)gle of jt0)1q yepi1f.kjro 9ib .p9b$30^{\circ}$ 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 anglow6.iez6el6 7. tq; q:tovmqttt/co * e 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 10.909un szk)r-;zroazp 0 above the ground. If the initial speed of the object is 15.za0r ozpuk9 znrs;)-9 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 hoo 5uoywc7z/t f58uue,z s/ty+rizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above the hou5/t, y e fc58u 7w/ozys+uztorizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the6iqmz1w8(im bl,yzy 0 top of a cliff at an angle of1wzilmm8b, 6i0qy(z y $15.9^{\circ}$ 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)