07.14: An object moves to the East across ae5z n y;u /ysh8:)amav 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 Eastward, partlae z an/yy8h)v s5u;m:y Northward

  07.15: Two identical mass objec(sz*w -fs;l zhw+xsu8ts are launched with the same speed from the same starting location. Object 1 is launched at an angle f sz(*lusw+ ;sxw8h-zof $30^{\circ}$ 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 objectd;2ddl3rqmc7r 9j2yr ;/a 6fk+ bql eus are launched with the same speed from the same starting location. Object 1 is lldrma;q326 kr2fu l/ e;yqrd d9bj7c+ aunched 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 horizonu.7ek t14 pge;effu:a6 sg0oe,zqcn;tally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neg .sueq47t:6;euz fpcg0,onf;ae gke1 lecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same timo -.fsmwn29d je with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 .fmdo-nswj29 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a dch8x0qd d/nfdun f-* rmm wk :-bt:84cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements isrdc8 0h8mk-w:f*fn 4 d-d:xm qn/ butd correct?

  96.08: A ball is rolled dt sr*yythx3v0s9qv 58+gy l5c5fk6xoff the edge of a horizontal table. The ball has an initial3 fsr655+lq0v5hvycs x9xt*y d8ykgt 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 and an ini 1l05n3 xcxkaf nt(e(btial kinetic efx 5( lbt(c1e nnka03xnergy $E_k$. 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 ozqv tknzng++ 3v/x 0g-f 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 wiv-0 nk+zvt+3 g/ngqzx ll 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 to yfkwfkm;cn8v/h );u; gl 9sm. d,jz r6be 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.l)f zr yn;f,6ud k9mg;/kwv8 cm;s jh each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down fiehn r7)yzuu*w2r+r9 v2ix uwc6ld. Neglecting air resistance, which of the following statements would be INCORzrwu6)y u r2wun2v*hr9c+7ix RECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at hrd+a ;wl6)0r(a*+iruvgaf h7ubb, oan 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 travrz4rbmz7-i8ltu qe hw xt)7.9 eling first 5m horizontally, the arrow falls 0.2 m. In travb4 rw et.97iqmhtuz )-r7z8xleling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an ang6 z po(w6a(wk-fho -rjle 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 diui+hso., deg(stance 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 projectile? Ignoi oeu+ .ds,hg(re air resistance.

  13.14: A small ball is thrown at an angleqi hg67gz i (hf b,9t35)n0 ;wevqbwjr 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 froyp)jyr*t ugs;l5 f71 *hq*kdwm 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 horizot/ ;rtzlxdh u)-)f,q wntally 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 o,lhud) q xz)f;w/ -trtbject at the point labeled P on the trajectory?

  02.41: A person throws a small object from 3 kw0j is(dm/j/sq0 j7ch8xlfthe top of a building at an angle of lfmcj7ss8(jjdi/kqx0 w h 0/ 3$30^{\circ}$ 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 of opfp;/7 h* nbiyndru9+z m*rp/dz)f. $60^{\circ}$ 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 f; h 1z kkugl;d dn0rvlqu1;+n;rom a height of 10.0 above the ground. If the initial speed of the objectuhndg zk1r;1; l ;nuqk+dv 0;l 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 the2w v 5z7vhfcohom.(*e80dq*phjrs 9b horizontal with a speed of 30 m/s . How much time passes before the position of the p mhhh(*svf5zq b. wdr9*cj 8e072vpo orojectile 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 :u d czkt *2,6z/sjv4 h9mizota cliff at an angle of 9tuj,v:kzc /*dzohzi264smt $15.9^{\circ}$ 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)