07.14: An object moves to the East acros:tl28;pbahu h0 sr1 gzs a frictionless surface with constant speed. A 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 Eastwau;h2ts8r 1a:0bpl zghrd, partly Northward

  07.15: Two identical mass objects are launched with the same 7huhiurn p11d3 jbx*4 speed from the same starting location. O1i3j4x ub1huhn rp*7d bject 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 spee/;ouji r p/w2cd from the same starting location. Object 1 is launch/ j2ipuc/o; wred 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 aimei* 3r .fbzg9pud horizontally, directly at the center of a target 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 arrow? rp9*u.zif bg3

  03.05: Two arrows are launched at the same time with the same snoe+ r4 11h krfb/y0pxpeed. 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 arrn+x41p rkrebf o1/yh0ow arrives first?

  95.19: A baseball is t-pwm: +e(z2ygzx ;zlp hrown horizontally from a cliff. At the same instant, a bowling ball is dropped fromxw;eg(-2 zzp:+mpl zy the same height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal tab(l3;5 lbun4s27fpwhml p ip-hle. The ball has an initial sfw hp- 4(p7nl2s3ubih;l5p l mpeed $v_0$ 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 i8h m1tta. pli69yz1ian initial kinetic 1zly 6t.ia mii9ph1t8energy $E_k$. 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 dreny8yhmgv ca,a29 :r4lv:pv6 opped from an airplane to a herd of cattle b 2n,v l6 8cygvymahve:4ar p9:elow. 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 rece +7 3uz,x*nlafwt.:wyq-fant 9 c2jlint winter 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 1tzlqt2 ,:w* ywuxnf 3cl9+a-j7n af.i80 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 distance of 50 yards down field. Neglxv k ,;4ovl; fk6eeck:ecting air resistance, which of the following statements would , ef:4c;e kkxk;6ovvlbe INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air ilihquku 6 ;(z :;kp*yvix8 i-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 20 m away.alts1ksi;1eno1 i3 a - In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontetsl1 oini 1sa3a- 1k;ally it will fall a additional

  06.04: An arrow is shot from a bow at an angl83qqp;- iz j) o6ottrze 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 . 7-vwwko2t:/uav br gxff;3 pthe 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 projectilubf v:kfa3/ow rv pg ;-xw72.te 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 thr oedx )*l9g+ 88xvivxw2uss3lown 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 exj8kyyeuw 1 8ya,tss9g)p-9a 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 horizont yb6szjbaw zy p;:t pgvb9)w7 3*:ts;mally from the top of a building is shown aptbzsag s)*mj 9tv;wy;763:wzp: y bbs 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 building atarltvp 1h f1 n/p nm,.a2/rookw8 n5l1 an angle of n/n mo1 ophrra,5l k1vn w/l.8fp t12a$30^{\circ}$ 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 fromoecz:ok0m u)xlxr.0 8 the ground 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 from a h51,poco h43j2fjyuw x eight of 10.0 abo43xfo,ycjjw5u 2 hp 1ove 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 resistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal with acygi w+. iyu: /)e.obijf8wy 3 speed of 30 m/s . Ho i/j+3if 8i)yu by.o.cw: egwyw 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 of a cli qqa2)nup,eo- ff at an angle of-2uop a q),qen $15.9^{\circ}$ 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)