07.14: An object moves to the East across a frictionless 6l 8+ q3n wd*s,gnnee)+jng2/fqn fxisurface 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+ + nff nnq6d *l8wni2,xjnge/q3s)eg partly Eastward, partly Northward

  07.15: Two identical mass objects are lboe hgcld :21) a99 ucafm*s0v.fk+giaunched with the same speed from the same starting ldc2o1 0ukah lg9.+e9:vmsc*f a bf gi)ocation. 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 speed from the same b;i4xvb0pg u+cxc2 : 3v+nhyd starting location. Object +x uhby2 n3dixgc 4c0vvp;b+: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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horid.e4g h g0:d s(l8kknpzontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of . 8pl 0sgde4:g( khkndthe target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the s;q2+mbb:7x-) se 4npwbx wtbdame 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 arrives7bsp+x)wd 4wnqe bmxtb; :b2- first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant,wgthn,;wk, z( a bowling ball is dropped from the same heigh( wgt,h,wk;nzt. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal tablmyfs:quc ;ph )-1oe(re. The ball has an initial speer oef:mu-p() q 1chy;sd $v_0$ 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 ini6e+)w 5ild(5mu uzrtatiaar5 (it) d 6+e5uwmuzll 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, bales of hay had to be dropped fromzlmr2qvcmm k90s9 9fe z7d1d+zh5s w 9 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 wi9hdsczd 2kmr7m l9vz5fw ms z19+qe09ll 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 wanzeatj)q4 oa)jpf xh -6c:; 1inter 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. About h f -c)a4znaq;teho1p 6jx:j)aow far apart from each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field5o mtq+lg4 2 olob.x:w. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its highbw t +loo2:g5. 4qxlomest point.

  03.10: A ball is thrown into the air at gebty6o+vq;5cp;t 90+cv, sh2fbh z l 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 *k)5wjy or.q aa target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizont*o5 yk rjq).waally it will fall a additional

  06.04: An arrow is shot from a bow at an angle of.(ttlau oa,v) $40^{\circ}$ 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 horizvx m,n2h tjd((ksu )w-ontal 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 -(t wxj ,ns uhv2kd)(mthe 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 (9t i .nt.bchcof $30.0^{\circ}$ 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 g0gzq-um,i3 us 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 thrown ntz.-ely1 b8jsel/ ;mi ;jdj)horizontally from the top of a building is shown as the dashed line1l.) -meyl; jnzbjdti 8s;e/j in the figure. 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 throws3 ix*t9 thmq-o a small object from the top of a building at an angle of 9t3 mtxioq*-h$30^{\circ}$ 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 laun7/t3 r7axzvqr e ji1;fched 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° (*fym* 0kwgdu,v8bjtabove the horizontal from a height of 10.0 above the ground. If the initial speed of the objec0fkb8 *yu dt,*(jm vwgt 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(7 pp5/*skieokb/s :u)mcarr launched at an angle of 40° above the horizontal 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 frokbs*c)k(a pm/u5 r:i rs7pe/o m the original launch point?

  14.40: A small 1.35-gram mass is launched from tf qop5wit/bt m83x9+ohe top of a cliff at an angle ofqob/po+ 85txtw 39fim $15.9^{\circ}$ 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)