07.14: An object moves to the East across a frictionless surfan( 48ad8r* gvktsv6wc ce with constant speed. A pen4*86 g(d8vvwatskcr rson 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 mass objectsqo g8,w6l7sjr are launched with the same speed from the same starting location. Obje oqr 78sgw,jl6ct 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 speed from the samac(4fef6ybm2g:u 7 qre starting location. Object 1 is launched at an angl 7yga(fbf2qrme u64:ce 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 tar0(2u 2ce;e ene:gzhl 5v+mksja3 0t.a. scjk lget 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrj ga2s2a0j;eeccl3(lv.+hsmu .5k 0n:teek zow?

  03.05: Two arrows are launched at the same tih *j7bna,(9h b5 woqz;zuv9rtme with the same speed. 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 arr*jora,nu9 hhq;(btw9zz b 57v ives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant, tt(hyfu; -el;u f 3i5ha bowling ball is dropped from the same height. Assuming fyu ;(;h3u-fl t thie5air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal wt0s-ew;qbf. +zi(hqr(yg)x,a:ef atable. The ball has an initial speedeh) :;gzaibwt w+,-fr aq ((.qy0xefs $v_0$ 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 ajt. era wul(d u;wx8tmna17g k3;ji78n initial kinetic ejla auwu3r;8i8 kn t;(e gm. dw717jxtnergy $E_k$. 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 dropped fromv -u+o1z/ufk u 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, wzk+1ufu ov-/ uhat will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be djeky9ot om dk998 :mw3ropped 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 as ke9:mdk89w omy3jt9o sume 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 fiel) )py 9r0,k2cwca t/pbkr; htsd. Neglecting air resistance, which of the following st)cbp/) th2c;wk9yrk, p s0artatements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air +c 9avw,hi wixhy,,5z 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 targepyi e5)qk0)e89rzhyfio: fmrkc j 7) -t 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additionpk9 omr5h yef)cjq0eifyzki 8r )-7 :)al

  06.04: An arrow is shot from a+ 4u gf89ncnan3mpm 8z3nae 6c 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 distance of vod my4w6. ;ks120.0 m from its launch point. The projectile was in the air for a time kyv wo s6.m;4dof 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 ow/;k erh8c )kis thrown 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 mac7 g-6yl9,srw8z,xhq)gnug yss 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 fall trajectory of an object thrown horizontally i8lmx :nepkf (1ahq:( from the top of a building is shown as the dashed line i(api18(hmfxn q:el:k n 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 building at an angle ou5b1sp vn : /a+yp.o jpy(83wqwift:xf 5 +3/ i1n w.tupy(8vpw:a jboxyspfq :$30^{\circ}$ 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 grojrpoe3u;sh ewy1bg: 1p7fi y446b:ni und 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 froma nq(0m/p8mu /sk fp0m 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 it reaches the ground? Ignore air resistanmpfm0 8 /q0/(nus mpkace.

  17.32: A projectile is launched at an angll55fpn8bpmny)v *ndy4-4 kub he d5t0 e of 40° above the horizontal with a speed of 30 m/s . Howdupn5y 0 n 5hdb4yep 5mnl8-bkv4)*ft 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 launched from the top nh2r:l7ykh+ps r , 2aeof a cliff at an angle of ,2s2rh l :ye 7rknh+pa$15.9^{\circ}$ 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)