07.14: An object moves to the East across a frictionless surfak7r2m.5hnp nc ce with constant speed. .2mc57nk pnhrA 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 mazyvo *ia/p(0. 5:gbxb+ao +rtnsp4e k ss objects are launched with the same speed from the same starting location. Object 1 is0nko4b (/+yois:px t+er pvb.z5 ga* a 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 launched with the same speed -ry52nxrke,rb5q5 kw o, p 7hgfrom the same starting location. Object57,gwq52 ek-,h5p b yokrxrrn 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 ad; c51akq9k4iw(s2 ga.u dx yzt the center of a target 20 m awqd5si1.ga z;k u(2xywa9k 4 dcay. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same speeg2g 1xyj4.3ioc5uiued. A at an angle greater 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 firstguci 3uejx4y521 .o ig?

  95.19: A baseball is thrown horizontally from a cliff. At the s xff98n,h3iq9jj* kys ame instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correct*jhqfnjsy8 39xif k9,?

  96.08: A ball is rolled off the edge ofn g4( l9kma-fb a horizontal table. The ball has an initial sp-4 9k(b gnlfmaeed $v_0$ 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 initi b6dh4erq4,0.l qi6h6nl okbbal velocity v and an initia4q4e onllrhbb .k6h0 qd6i,b6 l 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 stormjvdn24rw94mz50z irf , bales of hay had to be dropped from an airplane to a herd of cattle belvrdz 04mn5rz i42 9wjfow. 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 to their distance of separation?

  00.38: During a recent winte ( tk ba:8r dsgq;8rz:u1(xgkzr 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 1((rgqks:8 tgad 8 zzu xkrb:;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 down field.uqw/: -6.ufvl +7xmftqzh -ry Neglecting air resistance, which of the following statements would be INCORRECT when the footbalv +l6f xwzq-:qtmf .-/ruuh7yl reaches its highest point.

  03.10: A ball is thrown into the aifkb4 kz az374pr 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 toward a target 20bm5*aj0wpvm * m away. In traveling first 5m hb0* pv5 mjwam*orizontally, 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 angle5 .uwpgfo2.fitr5p jes(rv 3+m9q o(v8qf ae: 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 thgn1o3d:ut xo9l n nj q2l.2nk(e ground landed a horizontal distance of 120.0 m from its launch point. The projectile was in the air for a time of 4.00 seconds. If the proje.(q o ndl j3o:2unkn2g9 ln1txctile 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 angle k7o0-oxi/ dngdj -g 2kof $30.0^{\circ}$ 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 tqoq.dd7 hrs/*bx 5 o0qhe 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 trltwld*1b6d 2p7uhbt : ajectory 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 d*1t:h wub bdl72p6tland of the acceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the top of a buildis7+hwgszf +31hmz lt) ng at an angle of +)hsz thg+slm7 w13fz $30^{\circ}$ 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: jft0r6 fo rdf3lwb9 dc.q:a/ $60^{\circ}$ 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 la8tm-x oto/qjh f*i-6eunched 30° above 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 itetqf*xoh6 tj m/i-o-8 reaches the ground? Ignore air resistance.

  17.32: A projectile is launche4)qz:tby j7w2v(a uw jd at an angle of 40° above the horizontal with a speej()jbu4 wtv :qw z72yad of 30 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 launteg36zakqg-(t1dua :87ynz w84 w r ljched from the top of a cliff at an angle ofl7(zt e:guky48t1d8zw3a- gqwja6rn $15.9^{\circ}$ 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)