07.14: An object moves to the East across awxz7 gfk87+wi frictionless surface with constant speed. A person then applies a constant force to the North on the object. What isk wfi+7z8wxg7 the resulting path that the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass :o 2svhx/wmsc1 .b9su f74vigxjgr0wx e2-a- objects are launched with the same speed from the same starting location. Object 1 is launched at b:0vi- o9uc-/mex4vw1s 2. ggafw7r xxjhss2 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 speed frof6mr2kl, 5a-vd zfuu, m the same starting locr uvlk-afu5fd ,,26zmation. 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 horizontally, d3cnh *eazhmq2 7qv,: onqw2,iirectly 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 spo ,aq*n7min:wh h vez3qcq,22eed of the arrow?

  03.05: Two arrows are launched at the same time with the same spee6w5ftj yc uxz:(.s 5qad. A at an angle greater tha. uyf5w( xcjztsa56:qn 45 degrees, and arrow 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+lxu,ual71:mc 7 ivtd bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correc7iavc+,d ltulu :m71x t?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an p 4//kdw2jlam initial speed l/d/p j mk4aw2$v_0$ 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 and an.46 wvuj/lxpk initial kinetic e4pkv jx.u6 /lwnergy $E_k$. 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 q o h:n:h 6c)zv)w-jkfdropped from an airplane to a herd of cattle below. Assume the airplane flew hor hw):qfch-)v : 6nzjokizontally 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 to their distance of separation?

  00.38: During a recent winter storm,ykyxug+pda 9 7 4eo70ah*sb*x bales of hay had to be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizonta7daus ox p *7bxgh*9y ea40+yklly 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 distance 9. n9o dxq2ychof 50 yards down field. Neglecting air resistance, which of the following statements would be INCxq nd.o y29h9cORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air dkf hx4 6dn mw.ko*y5*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,am+im5z wq7 8a0u etk horizontally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontallk8qwatimua5 me0 +z 7,y it will fall a additional

  06.04: An arrow is sln0:3atemn.lkr : mn zs/nd+a04cbo -hot from 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 distanc )2cx.a+ 7l k7sehgdhke of 120.0 m from its launch point7h.gkh+es 2k)l7xd ca. 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 angle5k*z ygkv /o9vkf703ikz-h fm 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 ajtc-(x. y:r2u fdf5es 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 +k3 kcn b-(ua3l9:5ugejtyt8 zxe4 etfrom 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 labeledubu 9gklk j -+tc(e 5te4e3za8x :3ynt P on the trajectory?

  02.41: A person throws a small object from the top of a bu5:sap x1 rbq8 px0fs7uilding at an angle of s ux5xra7qsbpfp0:81$30^{\circ}$ 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 launc6(+ai ;osse6o3fd* pte w*7t/vs z5p1qjxa dghed 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 the horizontal from a height oa,7/ga(qh x szt(y+8.fgouw df 10.0 a x(ga+ f8hu.dgazs7t/owy,(q bove 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 horizontalx8*9ng rxq+ j76z0 wfi y3yovk with a speed of 30 m/s . How much time passes before +jwfiy79qk386vg r *x0 nzxyothe 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 t* f0ui./psh/tk) u:nq 9j+dl(s eopsr op of a cliff at an angle of 0sneto/ pd + h(fl ip)j/sqku9.ru s:*$15.9^{\circ}$ 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)