07.14: An object moves to the East across a frictionless surfad n-;9ir2u qacaqalb w99j e0f.z* c5tce with constant speed. A person then applies a constant force to the North on the object. What is the resulting path tfwlq.c bea9 iu25r; dqt9 z* na0ja9-chat the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical ma6wciwoh.-8 jy ss objects are launched with the same speed from the same starting location. Object 1 is wo .ci68h -jwylaunched 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 lau2l1gf0mp zl5q .zm nk(nched with the same speed from the same starting location. Object 1 is launch2zn1p.k0fmmqlz( g l5ed 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, dir-w6 t c-7ac+bi(-wo:o jqmzj(dz ql)gectly at the center of a target 20 m away. The arrow hits 0.050 m below zob wtjo -:c7 -+q()6qdwj-(zcgimlathe center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the sam l/6:ysq eyno 7(mnz4ae speed. A at an angle greater than 45 degrees, and arrow B at an angle less than s y el/7n:a6qo(4nz ym45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a clzk,ltd(3 8:ym-pzser swje,5iff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the fe-8zs,p w,(y r:jze5lk 3stdmollowing statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. se ,k3cr)v5uuud96mt The ball has an initial speed6 u vsuu,kd) 3rtmce59 $v_0$ 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 wilk; d9 ,+2ooc-p b-kjcg1pctxth an initial velocity v and an initial kinetic energycctjbkcp- oo,l+-2gpx;1kd9 $E_k$. 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 k u. elu4vep5v8t3di8hay 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.e4vud588 t pv. kleiu3 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 be drxsthz a.c 26l/opped from an airplane to a herd of cattle be x t6.hz2scl/alow. 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 distance of 50 yards down field. Neglectingp(n fg*q6f**d /g2lysdt- ugp air resistance, which of the following statements would be INCORRECT when the football reaches *tpnd u/yp(6gsg*-*ldq ffg 2its highest point.

  03.10: A ball is thrown into5rekkby+q4at .gf 9,g v5sgm) 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 horizon q- 5zjkmr 6m 28m30)kzkeudc pyw4tp2tally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. -zek8mp2rtp)q4 kd2uz3 j05myw6mkcIn traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is sw);7ee fmt jj(hot from 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 ground landed a horizontal distance ofd ljrgmgf/tvv(h no, n 79aq+vor0494 120.0 m from its launch point. The projectile was in the air for a time of 4.00 sed/j,+4 ra g7n9 vq9nh4(0vogrmfv lotconds. 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 angl.przn - hp*cb*e 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 from the tops4(,:-btk l- tvs(fxwm* momx 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 horizont)wzkio1-7l-; yurct7 ytq pk7ally 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 object at the pcq7u1yk p) kt-r 7;iyow- 7ztloint labeled P on the trajectory?

  02.41: A person throws a small object from the top of a building at an angle o9llg ;m3dtlr(f m g(dl9l l;t3r$30^{\circ}$ 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 grounhlupa71 ( nl3id 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 a heigh 99ev7g plv4)0 lotqfmt of 10.0 above the ground. If the initialo7flv 4mgt0)9plve 9q 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 np 11i 9/ xn7 lser7dzo5fn9zdat an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes9eldni9fnpozns1 /d 5zx7 71r 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 at e cer1yb81nvbnh 3m:1an angle of:1h8bcr1 e3mben v1 yn $15.9^{\circ}$ 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)