07.14: An object moves to the Eu.:l rmod4g4 aast across a frictionless surface with constant speed. A person then applies a constant force to o.dar g 4um:l4the North 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 mass objects are launched with the samonqcjunm .4z 2*fns +sf.s37ve speed from the same starting location. Object 1 is lazss unfn7+*.mv 3n2jq4f s.oc unched 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 frndw0x02 gak d:om the same starting location. Objec2 d:0gdx0wk nat 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 horizondf +b-nu3h .q2 bkg4h4kvf+b mtally, directly at the center of a target 20 m away. The arrow hits fbkm n+ fudkb-q3. hv+hg244b 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are l5m:*xvg oln -launched at the same time with the same speed. A at an angle greater than 45 degrees, and arrow B at an al *nx:o-vmg5 lngle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same 5m5o-ajk lzu7gs2.w4 u ;a(ha:eyh mv1bj z)d instant, a bowling ball is dropped from the same height. Assuming air resiste47g-ujw(h1v b :jmz5da o) s;5zauyalm.h 2kance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has ay0wp( ml)in8q wumd5p-3 yd: sn initial smys (m -p3p:50l8) qydwduinwpeed $v_0$ 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 upwa r;gjx +lw3 *x+vlsrl5rd with an initial velocity v and an initix rgx;vwr+l lj3*s5+l al 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))yl3uz c 7lal:nyy +s 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. As the bales are falling through the aiz n)cl+:ylys7) l3 auyr, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped fzoavpwx2.5 *z4uc ngc2/9rq krom 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 each other will the bales land on therzgp. uc*xz 2okn4 /29a5 cqwv ground?

  01.14: A football is kicked a distance of 50 yards down fieldr1 e: )sae:sqt. Neglecting air resistance, which of the following statements would be INCORRECT when theq sa::es1)e rt football reaches its highest point.

  03.10: A ball is thrown 1;2x zj;mxy psinto 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 horizonta) bm lvtor)f-ry .au(fn8 /ir1lly toward a target 20 m away. In traveling firt1yfmnfi/o - )vr)(8 rarb.l ust 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angle of f e-(cjyc *k0s$40^{\circ}$ 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 laos 0)m q,ht5ceunched from the ground 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 launch speed of the projectilemo c0es5)hq,t? Ignore air resistance.

  13.14: A small ball is thrown at an d+q 7zbks z,t2sjp)j))nrfef( u)k-sangle 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 m.-p0ga /(a 2xid083atxmhr-kiomg r 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 horizontal.1ddpu z1efb7 ly 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 zdfpbu.ed 171velocity 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 t 0d93jqgcz:o uqiemf*;w ;* cof a building at an angle of t 0*;c euf3;jogiz*c9wm:dqq$30^{\circ}$ 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 an / 7r+gu84agafonj,i ngle 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 horizontaxhzcnegujf +cu*0 38/wf3q5 e/v hjvip6 a*)ql from a height of 10.0 above the ground. If the 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 )z +/6h*vu cec*fnj 3jgiquvx5q308 ea/fwhp .

  17.32: A projectile is launched at an angle of 40° above the h/ozm,gsxd..jk3/m v3o: kkfc orizontal 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 k mkojf.mks3 .czv/d /gx3,:o from the original launch point?

  14.40: A small 1.35-gram mass is launched from th ipd we.r4f,+ekw l1y67u3uae e top of a cliff at an angle of l73d6 4ea r +y1.p u,fwiweeku$15.9^{\circ}$ 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)