07.14: An object moves to the East across a frictionless su)e(jv5 q(q lwurface with constant speed. A person then applies a consta) e5v((qjwl qunt 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 speed from1g /:e e8k qrzc o8vlsi73+wcl the same starting location. Objecti rek:l17g w83l/+evc 8oqsc z 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 la9 v.zwht/og)sjily 5( unched with the same speed from the same starting l o5ls/yz.9ijv)wtg(h ocation. 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, directly at the center of a target 20 m l1pa8g3v,m,)yob r6-7 epzvir lo+d iaway. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the init-ye 1lp8d6rio ,7,po v mlbigvrza3+)ial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speed. A at ae hxke (xzt0+4n angle g4( xzetx0 e+hkreater than 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 instane: x1q(qyn-j)is0 zqht, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correc(zqj 1s )q-yhenx :q0it?

  96.08: A ball is rolled off the edge of a hori)*7pv lhsqyxwqsj 7hl4o0 v 46zontal table. The ball has an initial spl* 7v0 4pqjhy 4oxsl6vqw7hs )eed $v_0$ 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 lqt,q9kr(g +s h3j) xdv and an init9 )lgr 3+xhk(dqt ,jqsial 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 winteg7 1 h1-s-2csp0aceaa,po ig(ch pwx,r 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. It is reasonable to assume that air resistance will be negligible for this situation. As the bales are falling through the air,eg 0h1i2, h spp- -xa(cpw1caacgs7,o what will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped from anns(l 52s1l40qp ca xnj 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 (s cn5lqjx2l14a pn s0bales land on the ground?

  01.14: A football is kicked a distance of 50 yujunzw+ +s4o *6o v(lgards down field. Neglecting air resistance, which of the following statemen *s(+og6zwj +vun4 ulots would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the aiq p(2+cky .-jsi5 sf zq1c8ikkr 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 horizontally tozm4f6c/prd ) sward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the z/s4 pm6r c)dfnext 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an a +pok/q y)c0rongle 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 d eb1w)0 w6j ue+elir0w8osh 83p xm+iof 120.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If the projectile landed at theou diw+wmjwh18 e3e+l0)xbs 0ep 68ir 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 throqy4ij l z5u82j5 b/yfrwn 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 is launched from the top of a cliff with speed o08f:e; fu*ai2lish g$V$ 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 txvllgpn3 -1r2rajectory of an object thrown horizontally from 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 thgn prl 3vx-l21e point labeled P on the trajectory?

  02.41: A person throws a smavenl 6ego5(vz-6t f8a ll object from the top of a building at an angle of en 6g-658vvao( fetzl$30^{\circ}$ 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 (ahyf j,kub/j d4by 8d8): spyof $60^{\circ}$ 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° ax/779ou n hjjotf:8na bove 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 obj nh/u aoo8:7jftnj7 9xect moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle w;i 99ys x2bg hvp6zhdv-n ;1zof 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an a d9; p;1hb2 s6n vxzh9gyiv-wzngle 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 angle ofz/2 g1: cfbqm0 a)cmj7qbca8f7cam/ffm01bajq)cgb8:2 zqc $15.9^{\circ}$ 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)