07.14: An object moves to the Easj0yb jt *sdy46t across a frictionless surface with constant speed. A person then applies a constant force to the North on the object. jjytd*ys b064 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 speed from the 7xmw7k9:bt3 mq.oc dks(bnd, gsg( g *same starting location. Obm.,7w93q:g(b do*g(bngks d x skc7tmject 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 3 olsca*zci;snc1*3td from the same starting location. Object 1 is laun 3; zslicnco31*a*stcched 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 n d c)8rc1*hjg3l:cwjat the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistancgjw 8*l3n :crd hccj1)e, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time e r dwy-3n,jooh(3h6xwith the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 e,rj x- o (ydhnwo6h33degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontal;1lnr( *vy leh1cf ;d5uu *lztly from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is corr1fh v*51lye znl( t;l*ru uc;dect?

  96.08: A ball is rolled off the ed)s j4(d2dcw2cb5 x rtnge of a horizontal table. The ball has an initial s4c)tr22x wncd(j5d sb peed $v_0$ 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 upwarb 0:pdv;fgk4f d with an initial velocity v and an initial kinetic energ0 bg fk:dfv4;py $E_k$. 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, buegum78 w0 nj;ales 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 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 wil;ewj7gm 08nuu l happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had tydg2v -u +m;x ow:fbc7o 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 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 balem+xw: bc o-yf;ug7d2 vs land on the ground?

  01.14: A football is kin )gtbrdv,jf9/so 19 icked a distance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its highes9v1ng)r , oj/tbi9sfd t point.

  03.10: A ball is thrown into the airqy,mo bdfrp::6 71x;rba4hp 2 )grybk 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. In tr,mca7+e gn r4kba* pyt4(g2f saveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall pf ,+7rsmatg4yc 2n(b*4k eag a additional

  06.04: An arrow is shot from a bow at 6 3a4*xuxbb vys lj*,usxvbr5 1k+hs) y1yi :ran 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 horizond4a o,aot/:zprrb: 0vtal distance of 120.0 m from its launch point. The projectile was in the air for a time of 4.00 s,p:rzvbao0adrt /4:o econds. 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 thrown at an angle o:viuyd . x8zr(o6k 8qf l5a 5kdojx5y+f $30.0^{\circ}$ 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 lau3 +pggs5dqt9 7t8of jznched 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 from the top og4u3ral 2h6qx xoh9lq 74)ggif a building is shown as the dashed line in the figure. Which sets of i27hxglqxrh)4 agu 93q4gl 6 oarrows 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 build q/ /)+q1 pulfbzs)lhving at an angle of /h)1vqbz l)f uqsl/+p$30^{\circ}$ 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 a3o;oq w ).vynt2 cw y1/nzc0met 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 launc0r2mjg:rt 1zx )xjyzh1 /uf6 hhed 30° above the horizontal from a height of 10.0 above th /6 ) yjm1z2r1frztxx0jhug :he 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 4d(c(bb0n(lbiyg:+m *fo.0 2z qydx om0° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above the horizontal from tf(ibz+2 o0(0ybl(: ybgnmdo*m. dx cqhe original launch point?

  14.40: A small 1.35-gram mass is launched from the top of a clifgyh yu(. 1ae0yf at an angle of .uh0ygaye1y( $15.9^{\circ}$ 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)