07.14: An object moves to the East across a frictionless surface with c5z,mnkh5g;pl onstant speed. A person then ap,mg55; nplzkhplies a constant force to the 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 same speed fromw6bkl v08n0o2t+ 1iion y2klw the same starting l 0w+ 2618y lnnitk2lkwoi0v obocation. 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 wit/c s0s8gnersa58 gj a1h the same speed from the same startsg/nessjra0g81a c 85 ing location. 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horizontally, directly at the center of a ta 9.+0slplcl qxrget 20 m away. The arrow hits 0.050 m below the center xqpl90. sl+ lcof the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at thop*zti,7cvpt:frvqbz:z ) .0 om7ql - e same 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 t0vzq o -tct7.opvi , 7bzplf*:rzm ):qhe same spot on the ground. Which arrow arrives first?

  95.19: A baseball is ,g.tpi 3 tks+79cnij*tgvt1c thrown horizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statemep9cij .sctn3gv 1t it7k ,*gt+nts is correct?

  96.08: A ball is rolled off t au 8-(pypcr:the edge of a horizontal table. The ball has an initialt8:ry -c pa(pu 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 verticaz +e)hvgp odl-s, ff7fz.rk03lly upward with an initial velocity v and an initial kinetic energy+ rh0og spf -k)3lf.z,f7zved $E_k$. 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/) uwnsb7 hn+z 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 balnb s/ wz)+uh7nes are falling through the air, what will happen to their distance of separation?

  00.38: During a recent winter stoe8o smv4z.)jcrm, 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 aeo4z j )v.sm8cir 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 down field.;bb7cir677dom).dgok2 bx z u. ;yhgu Neglecting air resukgbzyoxirc. dh ;.7)u;76m27b g dbo istance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into 3mpd gy ;-pwgzkog)c b(or22. 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 tr3u-4 4(xxgljwy l7kr uaveling first 5m horizontally, the arrow falls 0.2 m. In travelilg u-jy 3(wxkl 47xu4rng the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angle ofv7 qe8i;0re kn7 t 9i(yhdl3zz $40^{\circ}$ 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 hor/6aw2-dm j0 ivm 4bua*aa;g mfizontal distance of 120.0 m from its launch point. The projectile was in the ;fbjmaai4u*a6w2mv /m - a0gdair 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 yp lr/i+,*lv 31 nvoqjat 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 is las8 ke(d :6x.y6xim veqjbqk7fz 2e:k)unched 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 trajectomr p ap*o:.abf bcr+.-0m/z. vhmnmz +ry of an object thrown 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 acnzhm..+f pmr: bpzo-a v/ar *m+c.0mbceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws a small qi oerh54 gcymj(2,v;object from the top of a building at an angle of , 2; jegh4mrvy(o5ciq$30^{\circ}$ 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 0 ef*:7x86rtc 5 .o crrfhoxjmangle 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° 7iouk9 x4r y1wabove the horizontal from a height of 10.0 above the ground. If the initial speed of the object iyui41o9 rk 7wxs 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 hot*zp 7cohg9g-5zv(n mm59h efrizontal with a speed of 30 m/s . How muchhgm7cte-z *5mv gfn(hp9o z59 time passes before the position of the projectile 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 cliff at an anglsz9+f/ijvj5dhyyo4m.t *n (pj zk-9jqr ,w 9a e ofpoyjf /9znt j(5,+qsmj-a h9w4jvdi k9y*r.z $15.9^{\circ}$ 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)