07.14: An object moves to the East across a frictionle vk 0i2m)idt8nco,r:e;u q of/ss surface with constant speed. A person then applies a constant force toc/ )0 2;fnuomek ivq8dt:r, io 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 ares. :yzc99l.f m2bnp9*isywwx launched with the same speed from the same startyxc9* 9mw9 2syi.p sbznlf.w:ing 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched with the same y s ;o-4c6u lagldxa;0speed from the same starting location. Object a-ga;dos;c l u6xly401 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 z- , w,yelg6lum away. The arrow hits 0.050 m below the cente - ,gu6ezlyw,lr of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are lj3+ftl8bz-4ugw,ct qz:pq r 6 aunched at the same time with the same speed. A at an angle greater than 45 degrbpujq t6g zq-,r+: l 3z4fc8twees, 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 cliftjfxgi 8qao.lhj .s h.m ;e461f. At the same instant, a bowling ball is dropped from the same height. Assuming air resjohh lei jx 16.f4ts; .q8amg.istance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The bal2 .1t9wtuc ds3xl)ij ul has an initiuj)ts12 dtw3.x9lic ual 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 upward with :up-2ecdt kdd5jew4d)mz.k/9waj :v an initial velocity v and an initial kinetic energy 49wdddvt a:j-zw2 eu:).cp5jd k e/mk$E_k$. 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 z10p,t:9pdzec p ql2tmct *b0 be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitudep,d c bt902plt1: tze cm*z0qp 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, bales of hay had to be dropped from8sa.4*boov y h 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 situath4*v y. obso8aion. About how far apart from each other will the bales land on the ground?

  01.14: A football is kis3qg87k+fvq-l ph m;k cked a distance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches itssl hvp 7fq;8m qkkg-3+ highest point.

  03.10: A ball is thrown into the air at)dq . k.hqv(fu.dlb/ j 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 20 m away. In travelind-b3xzt(s28bs hv-tc)z:ng)e rw mr :g first 5m horizontally, the arrow tsv h2gw-msz- ) r:e3bt ()b:rxc8dznfalls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot ffr-rmubnb* 9uo*l9t / rom 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 9(k4crpu wb66z: lkulnni8r3a 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 projectile landed at the same vertical position fup9ll6nrcr 8 kz3bi:6u(w k4nrom which it was launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at7xw/v xaiir)g4mc;s7 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 m rk c+a hgb--v8oln,p 0*zampz:u:hv/ass is launched 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 fall7)i9gdg)0ffa 4 ukik l trajectory 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 the point labgf iak70 i)g9 4)fkldueled P on the trajectory?

  02.41: A person throws a small object from tzhoik4 d1t:36nvvq ry2-h q6 4s-y hnjhe top of a building at an angle of :or h4qvy6-h v-z2sjn 4i3hn1kdy6 tq$30^{\circ}$ 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 t 4wnm9ice6fa(a99 c iangle 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 heil;z7y4p fsmy .u7 1ontght of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what anglusp.177 zm;oyyl4nt fe below the horizontal is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an zzlz4 ob56jx.n le5 8l6hlt)vangle of 40° above the horizontal with a speed ze6lzlln86 j)ov x4 hzb.l5t5of 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 masr otchx56d(4 ms is launched from the top of a cliff at an angle ofx(ct 6mhor45d $15.9^{\circ}$ 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)