07.14: An object moves to the East across a frict(k sl-+vyq xz/ionless surface 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 stralyq/-+s vxzk (ight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same speed from tqx6dy2mug*+ 0a)tzkh he same starting location. Object 1 is la) quxy*k gt hz2dm+60aunched 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 saf:h(-cu3zz2 h(xg-8ej )tg z,qgdu yzme speed from the same starting location. O- x fgz3:hy-zqgz )ezj (t2h8d,g(c uubject 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, directv36.ozhf (v+ku ptr )uly at the center of a target 20 m away. The arrow hitshku+fv(opr. 3 tu )v6z 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 time with the same speed. w)( o-5)j eet6mxsnpzA 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 ae5) wzs6te(mo-jpx )nrrives first?

  95.19: A baseball is thrown horizrq gdiliw4-+0:pr b/ hontally 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 followingg -pi q: r+i4wldrhb0/ statements is correct?

  96.08: A ball is rolled off the edge of a horizontalws lnf m0k;l.l43l*ei table. The ball has an initial speels klwem 0n;.* 3li4fld $v_0$ 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 velocityt gys25 .ji9gp v and an initial kinetic enty p2i59g. gsjergy $E_k$. 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 c3.o6njux j0k 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 neglucj3nx jko6.0 igible 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 dropped from an af ph,:.d-l ic41b5bpgba /0an0kqnybirplane 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 ,k-4qnl: cadfpb 05b1n/ab iyhp0 .bg the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field.5 xf**1p yl5pdeh.nkd Neglecting air resistance, which of the following statements would be INCORRECT when the footb 1phd5 ef*p *knx5.ldyall reaches its highest point.

  03.10: A ball is thrown inw4-;c6-scsspzs9 ,izjto4cul at5m * to 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 trav b;,uaz rol/+:+x fb(rz mk/lleling first 5m horizontally, the arrkra+/ ,u bbo;lzx:+fm/ llzr(ow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot fromgbbo4hd: jgbv(vt8bh8 ( i u +yt*4rg- 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 grou:ik: d9 hrnzca kv1f1a1wna )2nd landed a horizontal distance of 120.0 m from its launch point. The projectile was in the air for a time of daih nc 1zv :kka21a)rf91: nw4.00 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 we njqpwnq;-9 :am +.gzx.oc: 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 is launched from the tmp lgf8 1 *c2ywc8xbh1hp(j l0op 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 hohr z)v(ri)i 0iagnp 3hrd6* p7rizontally 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 accer7i 3 p(diahi60rgvnzpr))*h leration for the object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the top of a -z ww kg9xhv4vl126x fbuilding at an angle of v4gw6wxk-zxl 2f9hv1$30^{\circ}$ 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 grouwgnv 7rva yek )25;7aand 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 heighdq ;86 e7fxq 0/iwialbt 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 resist8 qa/def iw6qli07x; bance.

  17.32: A projectile is launchu7qfvoxupt8h v;a/ e:g- fq54 ed 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 f4 7v ev-f5oqutquf hp:/;g x8arom the original launch point?

  14.40: A small 1.35-gram mass is launched from the top of a cliff at an angle of /cui sr+k.-(tzqe 1bi/it e b.icqsz(1k+-r u $15.9^{\circ}$ 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)