07.14: An object moves to the East across a frictionless b*5zo ismce- ,surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that the o, *bz5c- smeoibject takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are lau osqd:u8gas:v 5wfp -x4fm92a nched with the same speed from the same starting location. Object 1 is launched at an ang5a-m: 8usfwfxd:g4qpv2 9 o asle 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 )aj/tq 2x7o)8arroj 24n5q rd x3nyzkthe same starting location. Object 1 is)/oj7 r2d3tonz8x nxy5rajq2a k4 rq) 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 horizontally, directly at the center of a q1k.ejoa-4 y,rca nn+f7 ga c24wqp)c target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, e1.o f w q7rgccqkac,aj4n24a+yp -n)what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with th2j69yhpw* fmc hd n6z*e same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at thm9whdn6f j c6*hpy *2ze same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant, a bolh fl/ j*oad+ia)a,ew(a boqfkk ():(wling ball is dropped from the same height. Assuming air resistance can be ignored, which of thfkh()*wi l(jfleaadk( + ) / o,:baoaqe following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball hnt/e6fi+ w5 wny 55xj8r8jjtd fd. kf:as an initiar 5 j.k85xinntw5fj+ d68 wfdyje:t/fl 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 veue(c(e: kp.*5u sywzzlocity v and an init ((:z5k yscuw*z peu.eial kinetic 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 winter storm,kh)l lk4:yhal7 r(jv 1 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 happen to theiry :hl)l 1alh4r jk(kv7 distance of separation?

  00.38: During a recent winter storm, bales of hay hadijk8*qu0gx ch- 9tw a1 to be dropped from an airplane to a herd of cattxuqjk8ig- t1*w0ac h9le 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 bales land on the ground?

  01.14: A football is kicked a ks . ruxm;+gopk j0zy1b7 s0y6distance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reachesxz 00 gysy17kmpo+6ku.b;jr s its highest point.

  03.10: A ball is thrown innd.60o ftk f2qto the 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 traveling48myvm8m m1i1k r 1s/edgatvp 0-(arg first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a addition4m-a0a vi mr vy/81m t8d(g1ep km1rsgal

  06.04: An arrow is shot .:5,wvxh (l rq:g shpffrom a 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 grounbxkd fpgo 60,j9byeja;4r 1)ad 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 same vertical position from which it was launched, what was the 4 9aa0fjrb bkpdj )16ex, ;oyglaunch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an8w*t0rse f2 dczv,m qp(u)u*h 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 fro /ge+gnyed tgs3s- 3,fm 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 tok y6-zl)q0w mpp of a building is shown as the dashed line in the figur)m ylp6 kw0q-ze. 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 buildi8w 5z**y9y;o6 jauhzi;ado yk ng at an angle of w*dz okhoi 8ja;y5;6a 9zuy* y$30^{\circ}$ 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 thdwc05ufph *id9el. 2le 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 ao8qqzd:y q b-sruq/q 7+d ;sc0d* ars qci1r22 height of 10.0 above the ground. If tddcrzq: q *r1+asrbs27 q 0 /sq8q-;q cuydo2ihe 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° abo0v t ++ lih:d1il) q*tyvdmqm,ve the horizontal with a speed of 30 m/s . How mu10 d +llt*mtq+ m,v:i) ihqyvdch 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 u3kqr 0xy(q94 v hc3rkfrom the top of a cliff at an angle of q4hkyr q(c3v9xru3k0$15.9^{\circ}$ 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)