07.14: An object moves to the East across a frictionless surface with constantd ryb/z fs6jb+i6)kvbc ;ptq4o5,xf 7 speed. A person then applies a constant force to the North on the object. What is the resulting 5,6jq y+4dkosz p6fc bf x)bbri t;v7/path that the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass oisi ui4m9zwkrs * (gd r/,f14l;zd 69tpn epl/bjects are launched with the same speed from the same starting location. Object 1 is ;dd4ni1*,iprt4f /9uil( g srzm l/p 6s9zkwelaunched 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 * v+qr.78os ilpmxg n18ny4o tsame speed from the same starting location. Ogmny xlr *q 4no ov187i8.+tpsbject 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 /+vg5iz: yzs95eiqgmhorizontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. y:zs/gmii5 5zgevq9+ Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at thea2n ds4,ma,q jly+ y9d same time with the same speed. A at an angle greaterj,,smq+ y2dlynd4a9a than 45 degrees, 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 hori1*)m 4j9w tstey 8qhfszontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance e)w*j4tt8f qhy ss91 mcan be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge l*vfu3 e0cyvb,l3fu-i re*p)of a horizontal table. The ball has an initialui 3-vyu0rc)p*f,v3e elfb*l 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 vejc of;f:l a9;,atiwn 3rtically upward with an initial velocity v and an initiali j9;f;nc:oa3 w ,flta 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 storm, bales of hay had to be dro2nxmezb+. )ma(s47jtcqt kf3 pped from an airplane to a herd of cattle below.mft( 4kj .+szm c2bq)a xetn37 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 air, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped from a w :hl.jrt)pg0qbo gna ,3/n:(ngsac)n airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 180 m with a constant velocity otap:sga))c:h, rn . 0ggwl o(nj/3bqnf 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 down field. Neglecting tzv)vdzs4y2.so 6;-v2yt5bp. i u ozhair resistance,p)u42it .6 2ts.hvz;bzz -ovydo5sy v which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown g z-n80tlc vf4into 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 traveling td5y5ggjjphng 8geiq*()-3 ofirst 5m horiz i*gogq(ptjhd)ge y5-83gnj5ontally, 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 u1j+bc pyjs76$40^{\circ}$ 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 frowc;dg lee d(3mczd868 m the ground landed a horizontal distance of 120.0 m from its launch point. The projectile was in the air for a time3 egd8 e(68zdwmc dl;c 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 t)oy 7olttt9.lhrown 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 top of a cl 0;cx( yq :pniuvp4h,tiff 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 t h.t9 r e:rob7b ,po,an78m.hsum2uhuhrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets of arrows bera, p hm.noter,7u2ohu hb. 8b m7:u9sst 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 ae82m9qx)dw9:z2 hztfl m g+nxn angle of xn+g2dz9 q)9 x8wl m2zfeht: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 the ground at an angle of .p * g4k1g:gr dyx,qvy$60^{\circ}$ 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 oy3 k f8acy3sz1f 10.0 above the ground. If the initial speed of sfyca313yk8z 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°nt6gco g )v(,oonkl w3;ur3q2z o p3l..qz(gv 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 from the original l(go(;wn.zvzp g3tl,lqg)v6on c33ok r2oqu . aunch point?

  14.40: A small 1.35-gram 9k/4fn 2qp; w mz:nxv/o5bdl ymass is launched from the top of a cliff at an angle of 5/pxl;nm w kz4vy/bqn:o2df 9$15.9^{\circ}$ 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)