07.14: An object moves to the East across a frictionless surface with consxxr/fpd*a y:* tant 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 Eastwaa:*pxf/*ryxd rd, partly Northward

  07.15: Two identical mass objects are launched with the same speed fmreq, /l- lsi1rom the same1elq r-/,m sil starting 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched with.cr*azj-vsc , the same speed from the same star, *czr -jva.csting 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,omf,3l( e wt9wj (fgm; directly at the center of a target 20 m away. The arrow hits 0.050 m be ;( emltfo3m,9 gjfw(wlow the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at3:n.2z mdc9fb3l j+8wdaiuyw the 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 the same spot on the ground. Which arrow arr3zy.ww+8nd b 3 lf 9ucda2jm:iives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same inst -/ u*xtv6fy8;rxk 8dhpmv8nsant, a bowling ball is dropped from the same height. Assuming8m-pxtr*skdyx f;8n v6 8h/uv air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an oab(;6- krtq4/fvw-7ax ebjlinitial rfawj6k-l(- ovtbeq4a7 ;bx /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 upwardqoxr,l( siq c(paz +gr 748h4k with an initial velocity v and an initial kineaqgrl pzxs,ok rh((c 7q4+i84tic 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 winte9b+m; vkzu l ,qm/)xofr storm, bales of hay had to be dropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an alt q9m/o+u;b,fm v)kzlxitude 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 an airp -gxw7k zy z74,ng:mtkis*qo;lane 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 situatioy7:k isxwtkmz*4ggz;no-q , 7n. 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. Neglectievy :;l+p(u1mz : jirzng air resistance, which of the following statements would be INCORRECT when the footbapz1:;zr mvyi :j(uel +ll reaches its highest point.

  03.10: A ball is thrown inbi-(7a;/jhs xjbzd o/ 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 traveli;pvdf.u* qsk t t*nc)i kqp,ba z-:v94ng first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horiz*;,)pbi *s49. kqqnvc-fud :vzta ktpontally it will fall a additional

  06.04: An arrow is shot from a bo0:6rw*jphqw,3r vwn6ij f:y5 :mkymuw 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 landed a horizontal distah kow/1al(8,ew7itjfr zb* m2kez68m nce of 120.0 m from its launch point. izkz w 7afm be8j8h(rw1m6/,2*k lo etThe 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 speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown atf:k, .7pxgl gv 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 on2*bp yijh*9q8u1 pm is launched 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 trajectoc6 w shd0c9vw cf-a1o;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 acceleration for the object at the point labeled P on the trajectory?a1wwh ;c 0oscdfv6 9c-

  02.41: A person throws a small object f:t3vpjdg0 l 2arom the top of a building at an angle of 0t 3ag:ldp2jv$30^{\circ}$ 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 ls: o.yft41regaunched from 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 horizontalf9vb/f zdpcw g v .22o0:wvx- l1p/bff from a height of 10.0 above the ground. If the initial speed of the object is-. vv2bp:vzfbf/f xf/wwld209c og1p 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 horizontag)x12;ktimw.rs :c tfl with a speed of 30 m/s . How much time passes before the position of the proje;2 wtgsifk)c .rx :t1mctile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass 2 c2qr 1;up z7h/tfskkz;jre0is launched from the top of a cliff at an angle ofp 7kzut0 j1f/;r2 k2;sqrcezh $15.9^{\circ}$ 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)