07.14: An object moves to the East across a frictionless surface with con/-*8v,gjd fzg o xdwfq*+1aaastant speed. A person then applies a constant force to the North on the obje 8vd+1 ,gaf-jwf* xd *zgaoqa/ct. 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 same speed from the same1ey+fh* cbh cd2,:ya,wfr, lf starting location. Object 1 is la+yw:a1, hff r hfc2e,,l yb*dcunched 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 sam 5fi6fgr 6i9) (gq9pwo7c xdbne speed from the same starting location. Object 1 is launched at an f)gdx9669p 7i5crf boqgn wi(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, directly atrdnj1b+ ;zu w:(t .ubdt+sb d; the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, (bn;t u.1++d: j rstdbbdw;zu what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with tchcj xf9g f62)he same speed. A at an angle greater than 45 dcj6g)hxf2f c 9egrees, and arrow B at an angle 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 instant, a boqxst qo12fb 08t*f8ipwling ball is dropped from the same height. Assuming air resisf8q q8*btoxsp0tfi 12 tance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a ho4u4a k e;av;dqrizontal table. The ball has an initi4ud;;eaqv 4k aal 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 anzqi 9dgn m4/6(ups8-vfaauu. initial kinetia -mz 8su.d/guv(9au6pnfq i4c 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 ofy++w)zdcj* at,xd *e b5otw(s hay had to be dropped from an airplane to a herd of cattle below. Ass5+a, y*ebso xw*)dw tc+( dtjzume 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 air, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dmtqjf+k: : ,huropped 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 each o+ fju:kq mht,:ther will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards d rljt65 .p,gqbown field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches its highest p.qg ,r5jtbp l6oint.

  03.10: A ball is thrown ldi)-l81 zx:imiuhoif5l 58 ninto 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 20 m away. In tfqbhf)7 ggdn- sd)p cw.23 l17kqdmre e:g l-:raveling first 5m horizontally, t:- dw) 37 qgsk-p. )bl1cd2q:de f grhmneg7lfhe 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 o t rgwx.uy,(h-,fix.lu q6 q:2 byyf)af $40^{\circ}$ 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 utpb5xu-l -q15yz j/t 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 --p5t yjuxtb/z uq5l1landed 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 zwg..19a 4owugie)jxj 7z 1nfis thrown at an angle 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 yniun1,mr, 2gis 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 o()vop-964s9db xw unz9ydrr an object thrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets oysdpnr 9o)w vdzrxo4-96b9 (u f 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 throws a small object from the top of a building at an angle o5 -rrcsjk) mtpv m4a-5f jrkrmvs4-p 5c5)-ta m$30^{\circ}$ 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 thad 5czcg/t1k yky92mbw8:c z,e 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 1jtx.f .aywu130° above the horizontal 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 rea1wx.u fty1 j.aches the ground? Ignore air resistance.

  17.32: A projectile is lau1y k-7vlji9ini4 ilfw2 hw-segl) 6y2 nched 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 jg i1kn247fillwievswly6i2) y- -9h 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 an angle ogu-, vf k+uhh; yt4s;pi+ r.wjf y+u+;k 4 upi svrg.,; jfhwth-$15.9^{\circ}$ 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)