07.14: An object moves to the East ax tpv3x*06v**jx4neh 7fa jy ncross a frictionless 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 straight line path partly Eastwarh603e *pnx7xatj vj*fynx*4vd, partly Northward

  07.15: Two identical mass objects are launched withqku cg, 40n3uw d4,dci5j,kmxe/y5xd the same speed from the same starting location. Object 1 ii 4xxq3,5c wuy ndm4dg kkc5,/j,0d eus 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 with the same speed from thevg3c,ovvls5 5 8 y(fdf same starting locat y5 5fv vsv8c3dg(,oflion. 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 centerhsg1-rzi/q q 6 of a target 20 m away. The arrow hits 0.050 m below the center of the6gz-1q/qih sr target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the sogkqs;bf r *o,5,ch-g n.y 6ikame 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 the same spot on the ground. Which arrow arrivek6 q; yrsnhi*f k,.5bgooc, -gs first?

  95.19: A baseball is thrown horizontally from a cliff. Akyy0 s : 2nje(nb8d5t)zo5xbwt the same instant, a bowling ball is dropped from the same height. Assumd 50xzj syk(neno2:tw8y5 )b bing air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizonjz7we6 -pt nn;tal table. The ball has an initiale;n-7wt pj6 nz 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 anzl 5h- 1m2evkb initial velocity v and an initial kine2kh-l1zmbev 5 tic 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 recen11v*pl asoe 1 )e*gok 5iro.htt winter storm, 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 51t 5l k1v* opro .ies)a*eh1go0 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, baless b+18-,lzgzww8ih3 f bkbi9y 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 air resistance will be negligible for this situation. About how far apart from each other will the ba93w kby, bgs iz 8wih-lfzb81+les land on the ground?

  01.14: A football is kicked a distance of 50 yardwvnz3+w2m 5oz8jcbmw ; 2l7yp s down field. Neglecting air resistance, which of the following statements would be INCORRECT whe75opy2j2 cm3wwzw+ zbm n;vl8n the football reaches its highest point.

  03.10: A ball is thrown into the air at an angfp amem9u pq+zz/-s3 )le $\theta$ 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 horizonm9v-v hpu. gj5tally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In travmh95pjv-g v.u eling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angle ofe7nyu 9:xpe +r $40^{\circ}$ 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 fro1:diw kk * ic;z3in(bdu;d.lqm the ground 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 landed at the same vertical position from which it was launched, what was the launch sp;n dwd ilu:(k;bz kcidi*3.1qeed of the projectile? Ignore air resistance.

  13.14: A small ball is thrw-ipk0d 18 jvzp a:4fiown 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 to wrkinf19u sooiw)a-+w4 28ahp 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 na6q h j7r4(esm1j o5z s(8rkd -idyx+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 acceleration for the object at the point labeled P on the trajec7x -sjj ir568(ny+od( 4 smk da1eqrhztory?

  02.41: A person throws a small object from the top of a building at an iqm 9l*ub47 2f-mampk be38 lc0w rex3angle of qcl xire3 ewf7ba2-0m b34m9 kp 8lu*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 gr:sq9uld x +r;. c/s )(hhmfackf nzl15ound 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 f.6+x(4mpwdbcj w6b+ zguqk d6 rom a height of 10.0 above the ground. If the initial spezwb66g jxdq wd (+.4pc 6ubk+med 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 resistance.

  17.32: A projectile is launched at an angle of 40° abov5pf/4x1xpmbjexe/h8 e4 ;b hve the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of p414 bbhxm/ex /8pfve j5hex;20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched fro)ge; j m48swpbm the top of a cliff at an angle of s 4;b8gpjemw) $15.9^{\circ}$ 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)