07.14: An object moves to the4* vsa1fiu1 hu East across a frictionless surface with constant speed. A person then appa*iu u4vhsf1 1lies 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 masbvb/jt5. d5kb hkne8.ba2imb +b m*9as objects are launched with the same speed from the same starting location. Object 1*/5hmiabmb2bdan.b9v5b. + kbj 8tke 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;8imh sbcn6mx n .oh:- mass objects are launched with the same speed from the same startix 6-ns8bmo.inhmc: ;hng 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horiz2nza kx n- e6l.e4 08:hphwqmuontally, 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 speedhekn-4 zlh0 qmnp86a:u xw e2. of the arrow?

  03.05: Two arrows are launched at the same time with the sam (n b*tvx8*0cwoc zj7ee speed. A at an angle greater than 45 degrees, and to v7cjn8zeb c(w*x*0arrow 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 hori +ce+;uh lm7prnio,w9zontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air r,+ ewp +lc9ohi;7n umresistance can be ignored, which of the following statements is correct?

  96.08: A ball is rol1- v/r o s xpdbzt:.d9lrp:f5iled off the edge of a horizontal table. The ball has an initia9i d rd sf v:x-l/:51pz.rbtopl 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 vertiom8n qfu1 o74q3rsmr3cally upward with an initial velocity v and an initial kinetic enerr4r8so3m1qo7n qf um 3gy $E_k$. 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 dronjqrrm *gcp )s-: 3,fkpped 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 resist-pgfqj3:r ,rsmc kn*) ance 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 tojio4c . )/ gyi96pxfua be dropped from an airplane to a herd of cattle below. A/ cof9ix4)6.a ujg piyssume 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 distance of 50 yards down field. Neglecting 5q9ds9p)nq x) nykmp*wkcv ;1 air resistance, which of the following statements would be INCORRECT when the football reaches )k9n 9;v)k p cqqy1d*n5wxmps its highest point.

  03.10: A ball is thrown into the air at an angl; eidys8to 7h*e $\theta$ 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 hos +u cj cs,* (8fnlnz*+0kru;tbl(ehzrizontally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fcr (+zns8c*l uef;, u 0khjb z*st+(nlall a additional

  06.04: An arrow is shot from a bow aqa2pb0)y c-akaobk3j 33ge1wt 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 distan:v1t0tqagpz;2y 5z emb +,h* icspfu)ce 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 from which it was launched, what was the launch speed of the projecti;1:ei0csupt t )gfzaqy ,p2+h *v5mzb le? Ignore air resistance.

  13.14: A small ball is thrown at an angle of k/l6flb 4q*tm2u5yx,:s nhv t$30.0^{\circ}$ 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 3 kreyb7;:pti 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 oblkbo bz w;2 h+ouk52p3ject 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 acceleh5zp 2 wo;ku3b+lk2boration for the object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the top of a buildikq.t e0z96 w lw3nph vs7bqd/pd 36ev6ng at an angle of kl es9vd663 p7b.zdh e/pq06n3qtwwv $30^{\circ}$ 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 a)(u gf s-+x (ws,yzgobngle 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 heighgb sxkz2d6-n-;pm8ksq 1vzh ; t of 10.0 sv 2-qp;;8bmzkh sx zkn-16dg 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 resistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal with a stq6ol1,j)9cn q6 aod ju) o:iqpeed of 30 m/s . How much time passes before the pocj l1qd6 a:, qqt io9juno6))osition 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 cliff ati;*fs t5 cv2oj an angle ofsf2v5 cit;j*o $15.9^{\circ}$ 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)