07.14: An object moves te0,) dp.tjoayo the East across 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 t, e)opd.0y tajakes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same spee bgx- lxxd737cd from the same st7 xx-7 l3gdcbxarting 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched with the same speeo0- ye dr)va(fd from the same starting location. Object 1 is l) af0deo( ry-vaunched 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 the center of a targ nre +cbocm6- r:)c6acet 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial spebm cc)ro:+ar-6 cne c6ed of the arrow?

  03.05: Two arrows are launched at the same t3qorw cs:il. -ime with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. .ocrqw:l s i3-Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant, a bogqiv;2 zlf o2/myuvw5z)3:l uwlwul) lo uz22vyq vi;:3fzm g/5ing ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the3oxe7uux3rsq: r)+afj*u6lk edge of a horizontal table. The ball has an initia ea:j*k 7xfr3+)u q xols6u3url 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 initial velocity v andgozx287 ua6 3+ju)wqk7ax a: bq:kehb an initial kinetic bjau wxk77bgh2 aok )q3+xqz8e u:a6:energy $E_k$. 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 wintv6iks:92 f /rh d-fylker 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 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 havi9hk :-fly/ sr6fd 2kppen to their distance of separation?

  00.38: During a recent winter storm, o.4um:cn rz( vzu4-ad bales of hay had to be dropped from an airplane to a herd of cattle below. Ass vz -4.crmuzu(:ano4dume 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 dow zgf+op+ix:m3vi4x o 3n field. Neglecting air resistance, which of the following statements woulf:ozixix + 43pvm+ 3god be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into thu- 8quz2kyp 2ze 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 horizontally toward a target 20 m away. In traveling 9r9y,ce1bsg otf5sy0 rr3x-n first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontall0r9t,ecxoy-g r 513srny f9s by it will fall a additional

  06.04: An arrow is shot from a bow a2 s7daw x;m,y adm-tt*t 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 fro j8kdvdj crdm+n(notl*3;e 43 m the 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 projectile landed at the*4(d3j3l ec d jtkn ;od+rvnm8 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 5 5rw*lt;slww3 vmcx8 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 i:mgvxeoea.k.;x0 jr 6s 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 trajed6f m yya/.d0p deyi ,3d-z,qcctory of an object 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 acceleration for the objecm06d/f 3 e-p y,zcqy.dadiy,dt at the point labeled P on the trajectory?

  02.41: A person throws a small object from the top of a builyoba7*n*u,q dq:gv )c ,tf3-mixasd(ding at an angle of qmft : dxqu7aa*dg 3(n*),-yo vbci s,$30^{\circ}$ 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 angle nr)(iok- p b1cof $60^{\circ}$ 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 h 9e 9x+ cmfn/.i/kk:- ztmijafeight 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 af /z9fia xt:kk9- ij.e+mc/mnir resistance.

  17.32: A projectile is launched at an angle of 40° above the horaa)d;9r kf+:r6b xrp*ef ;tj yizontal 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 +a9bkrf;tfej; 6) ydp*a r: xrfrom the original launch point?

  14.40: A small 1.35-gram mass is launched from the top of a cx qh;ctcu 1c1+ vll.i(liff at an angle of v+clt1;x 1qi lcu. c(h$15.9^{\circ}$ 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)