07.14: An object moves to tho (ds/6h4*jm6 , o6ombkoyyey e East across a frictionless surface with constant speed. A person then applies a constant force to the Ny booo4j /h( *e6 ,ok6mmyd6syorth 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 rz2)82ebs qykq l) i1kmass objects are launched with the same speed from the same starting location. Object 1 is launched at an angle ofeqzs)2qi1k yl8 k)rb2 $30^{\circ}$ 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 theyk)k8 mcq4.c j.y2 xhd same speed from the same starting location. Object 1 icjqk4dxk m .hc 2.y)y8s 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 horizontally, directly at the centeryq.ynd ui6xhr128 *un of a target 20 m away. Thun.8d iu6nh qr1 yxy*2e arrow hits 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 launched at the same ti6b.t6m o y8evs):drqfme 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 tmqbyd6. ste 68 fovr:)he same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cl1bko3nsgu .dv(rx 3 ;8wgx*fhiff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statementsxrh v 8xo*ws3fu kg3.d( nb;g1 is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The zg 1biui.hpslp:vr l*7 sc4: 2ball has an initial speed:s :r*lcvbp 4zu i gs2i.1pl7h $v_0$ 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 - .c r/csq6oof-sugp -v and an initial kr -/ -6fquocss-ocgp.inetic 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 hadb:y.5 i4t.xzg.7ddzz nwsq/v 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 reasonabxtdz4:bys . qi/dwv5.7zgz .nle 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 +:g qhh +le;jllsc*b7 be dropped from an airplane lhjlh: lg+e +7qcb;s* 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 the ground?

  01.14: A football is kicked a distance of 50 yards downry6zvo/+ aki.) 9d*)sugpzzk field. Neglecting air resistance, which of the following statements would be INCORRECT when the football pzkau vz.)sdy+6 kz/ oirg)9*reaches its highest point.

  03.10: A ball is thrown into the air abnr7f(kbi8s6m mz3n2 t 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 horizontalludh)r/l-x(w;r j:4otzzk4 w ey toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling tho tjwz4uzk;rx4/e :h)(wlr-de next 5 m horizontally it will fall a additional

  06.04: An arrow is s+d 8n: zasnq(x,m:pjff3k:jmd d c ,-yhot 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 lau8e y505csbv wnded a horizontal distance of 120.0 m from its launch point. The projectile we 5 wcsv05uyb8as 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 projectile? Ignore air resistance.

  13.14: A small ball is thrown at an angrrct+v; ipb hs81uj65le 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 top of a cliff with 6t0kca cgswp +*p6b3q 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 ho0gxzq;g ; b5ujylt0f)rizontally from the top of a building is shown as the dashed line in the figurebxj0y;ug; l)05fqz tg. 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 throws a small object from the toosxbrc0 ;;dh/d 3sfz3 .n5 ljlp of a building at an angle of h c3/fx0nbd;.ss 5o r;3zldjl $30^{\circ}$ 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 fromc/w o:kye 4be- 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 sed fuu cda8alf-021lu+8(0mg eap8t of 10.0 above the ground. If the initial speed o tfl1 p(de2camufdua0ua88 0s-e 8l+gf 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 at an angle of 40° v4fyyb(uh/ 38 r8q 68 qhdaricabove 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 hc6hq(y3 rfy8qi ubadrh8v48 /orizontal from the original launch point?

  14.40: A small 1.35-huido)5,7kk,st6n uav.g d:6vj; uxigram mass is launched from the top of a cliff at an angle of7o,k6 k i6d,vj:hdiun;s5.vt uux)ag $15.9^{\circ}$ 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)