07.14: An object moves to the Eas 0rqavl/l0ft3.z0ip lt across a frictionless surface with constant speed. A person then applies a constant force to the North on the oi0lzvt3 fap0/q. ll0rbject. 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 sp r joe5929qlr 9 i2cwr..ostey:enf s.eed from the same starting locatoe2eis5sr9rcr2oj9q9ny lewf :. .. tion. 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* 4 qsts7(se0y:c0;cxzcjc op mass objects are launched with the same speed from the same starting location. Object 1 c4x(:te7qy js0 s0zc;cos *pcis 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 th7 lchtazrk ijaj 94q1y 0az710+d8rmje center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air reiadt4 jk 0h 8lry+ 1jza9zarcq0j7m17sistance, what was the initial speed of the arrow?

  03.05: Two arrows are launccc,5q:tm5h8gik yl(o) x sm b)hed at the same time with the same speed. A at an angle greater than5b,8 m:y)c(q il hots)mg c5kx 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 ;utu h s)f-3 03mzlndvfrom a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored33v - uhnftz;m s)dlu0, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal tabr5k,a t2x1 wkvv9v*iale. The ball has an initiai1r9kwvat, * kv2v5axl 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 an ib q-+w m )qiig7i0t.3 gdm4wtdnitial velocity v and an initial kinetic ener.iigm i0d d7tqq ww)-3btgm+4gy $E_k$. 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 dro0)y-d))dd yxmy on b8opped 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 a)- d) by)0dnxd moyyo8re 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 from an air c-do /da3/o4exym c-uplane t/yu3 ex-- o/ac d4ocmdo 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 bales land on the ground?

  01.14: A football is kicked a distanov kpz( plt nthmj(wz p+w2o.4zb0/2+ce of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its higwl2nmv b(t+z /(02w4.kh tpz oz jp+pohest point.

  03.10: A ball is thrown iyyu+h2q i m+hxf3j f:;nto the air 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 horizontax m/9s(pnnu+ kr; w(tplly toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally ux+pn;s9 pkn (/ mw(rtit will fall a additional

  06.04: An arrow is shot from a bow at an angle olk8 su:gygpd168 )ka )s2ppt df $40^{\circ}$ 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 laund t(cxk(xz(::145zcuswec wvched from the ground landed a horizontal distance of 120.0 cd uks:wcztvx (c(1x( 5e:zw 4m 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 from which it was launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown6absy :(:opo;/yve 9cg nu vz6 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 tkxfwt mz4b x; 4;+lplq/0;x xihe 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 trzl02esm *ruy;rb: t ha-dc(e7ajectory of an object thrown horizontally from the top of a b;: -ayl b0dh 2rzec(urs*7mteuilding 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 labeled P on the trajectory?

  02.41: A person throws a small object from the top of a bu qfgtwi*mfhx3f5.t (-ilding at an angle of *fqfm.h5 3tt ( w-ixfg$30^{\circ}$ 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 h)( wa;2 b+izx2 th wmmjfhnbk9:95 phan 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 horizoncgmyeh )e ap.a,s-7m3y jndt3- 1e(yptal from a height of 10.0 above the groun ymsct-hag)eep,7 p3amey1y3nd -j (.d. 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 horizo) +w keq,;iw+(5p 2,s extkhhip;u uffntal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above th,kxs5)uw epie+kffuhi,h ;pq 2;(+ twe horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the top of a cliff w 3zt)agnvi; lh-enoz u8:2pf;e*i+q at an angle oflepinfnz2 38i ;u)teow: ;gh+*v zq a- $15.9^{\circ}$ 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)