07.14: An object moves to the East across a frictionless surface with cmigcl/3pt yz povs,09vz 7 f3,onstant speed. A person then applies a constant force to the Nort,/m9p oiv30lp gz szyvf,t37ch 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 mar *s exo3c5fjkks6r s05 a;9.uh1 vrfkv* n1rgss objects are launched with the same speed from the same starting location. Objeckjrf vra*1sn3*9e5ck h;.g rossf06 rvxuk15t 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 speed from t9v4w w cuhyb 1q5dk-pi -iqa/ra *hz-5h* pv.the same starting location. Object 1 is launched at y- 5.1vvaw*w9/h *idkqc-p uprahb zh4-5 tiqan 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 horizontegehde s*4r .x9ib 7(mally, 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 .b9s hdigex4m(*e7e r was the initial speed of the arrow?

  03.05: Two arrows are launched at the sameez,r/e u 9hd;kp )k:k/ xxm(;wel har( time with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrivee 9 :ud;)k/,/(hpe em lx;a(x zrhwrkks first?

  95.19: A baseball is thrown horizontally from a cliff. At th;ew k2ssvz zi-p-*vz ,vs dy- 27xrrh1e same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correspesv zz2 hk1 -y wv*d 7-i-vrzr,sx;2ct?

  96.08: A ball is rolled off the edge of a horizontal table. The balln50ede t5wt)h.5r8ea x b7jih has an initial spee05d jhheieat5nb78wxr .) et5d $v_0$ 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 io -ryr 6,u:xqwnitial velocity v and an initial kinet-o6qw u,xy :rric 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, bales of hay had to be dropped fr hm/fi2nxwzddsdw*5: - qzxw e)h k2l4pz,q 6(om 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 air2nqqx2w4(zk z-x )idwshd:f5wp* 6de, /hlzm , what will happen to their distance of separation?

  00.38: During a recent winter storm, bales ofvakig 30 j/s2y lali6hhy ;53k 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. About how far aiyl3 y lv2sk3a ghih5a6j/ ;0kpart from each other will the bales land on the ground?

  01.14: A football is kicked a distafx6-2ym;o- gsfwoz d5nce of 50 yards down field. Neglecting air resistance, ;2myow5dgs -6f-fx oz which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thro06dl0uf;c ucy:cm4euwn into 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 2 +.;iab h3 jyb+o 2v4thttvv.-dld7dm 0 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally i3yd.vt;th .++iajv27 o 4bhvb-ddtlm t will fall a additional

  06.04: An arrow is shot from a bow at an angle ofxne tj(4f, p+r $40^{\circ}$ 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 landedu)vj74prmhx i1udybiu) +crx6, cs-* 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 launcrhbyx )uiid46sp j7umc*)v1 ,r+x cu-hed, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an an hbs4 mwczac,9)a,s1 ogle 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 massvua;:dbpre9t6gm* n 3 m3mq/g 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 object thrownx1a-fi56 am/*hycg(ft3g2 +z ojxvb q 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 accelerat fifo3xyagb5 z*+cx6va/m 2tj q-hg(1ion for the object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the top of a building at an andwn, pd)4ab1 sebmrge* .9 qg3gle of gm9 *wgpas.ber )neb,31d q d4$30^{\circ}$ 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 launchecgv8z6.lg3g d d from the 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 a height of 101gkm 2tpemy*(b.sh8a .0 above the ground. If the initial speed of the obj( h bgyms1tp2 m*ke.8aect 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 k1wo4xh 0 xv,i:om/jk horizontal with a speed of 30 m/s . How much time passes before the position of the projehjimxoo : kv/kx4 1w,0ctile 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 cgug) 5fi :mzks+s(9w fliff at an angle ofg (5+w fs)izum:fsk9g $15.9^{\circ}$ 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)