07.14: An object moves to (a -) ofwqyc ai5x8m8jthe East across a frictionless surface with constant speed. A person then applies a constant force to oa5xa8w(i8fycmq )j -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 object4;wexgy kavp 8b aebytw7q.d7(4-o t3s are launched with the same speed from the same starting location. Object 1 is launched at an angle ofd qt-ypae4yb8 g.xw; oe aw47 tv(3kb7 $30^{\circ}$ 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 thsrtdv5w ,t0w 3e same speed from the same starting locat ,wtswr3dtv5 0ion. 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 horvatas22; c3d hizontally, directly at the center of a target 20 m away. The arrow hits 0.05s;vd 23ah2 cat0 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 witm 05yg/ib38v k-fwfo zh 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 grf/y5m i-vo bkwzfg308ound. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant, 3pkt/dk9llv y7j2q-t a bowling ball ikv/qp7jkd 32tl-y t9 ls dropped from the same height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolleduaaty v 8:3eynbyr8() off the edge of a horizontal table. The ball has an init: 8a)yyny8(bvta u e3rial 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 verticaa i*;x2- xvkr.;zsquqlly upward with an initial velocity v and an init zxsxvauqr*k .i2-q;;ial 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 dropped frm:2ogekl:6/,d xlhk eom 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 negligib2km o::x6ld,h /glek ele 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 droppe d)wq z8slvo1 tut*;,ad from an airplane to a herd of cattle below. Assume the airplane flew horizontally at ; otsl1z q),v8a*uwdtan 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 bales land on the ground?

  01.14: A football is a jc1mg+vra. 7kicked a distance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCcaarj+v g7 .m1ORRECT when the football reaches its highest point.

  03.10: A ball is thrown into tu v3:6(cqyl0otqo w(che 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 ta4d)4 wbmhrhi8s pa+ ohn r1l506r0jfarget 20 m away. In traveling first 5m horizontally, the arr 1ahlrsbni 0 dha)44+h fj6m0por8w 5row falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a b 98m9-nqlzhhh2 l p0plow 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 distanf(xio,k+ml db1la r 0ws-k;a+ce 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 speed of the projectifiaodx mk1,ar;(ll b+-sw+k 0 le? Ignore air resistance.

  13.14: A small ball is thrown at an angl*)ia p;ybc nf2e 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- 9:v4yjxyxbr)y2twk a e9w(ukw; t6 op 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 anhcg+vz5g3 bmo:g uh89 object thrown horizontally from the top of a building is shown as the dashed line in the figur hgvh 8o3bu5z+gcmg9 :e. 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?

  02.41: A person throws a smioh, ;zc5yug7all object from the top of a building at an angle of uhc 75oy;g, zi$30^{\circ}$ 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 lakb0dukw 7r.1dm 4pw33 ruih-dunched 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 horizontal ly8hiv- 9 i5ljfrom a height of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what angle below the horizontvl y98hi i-lj5al is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an anglexrp*br e,yl6et -305yenr)tf of 40° above the horizontal with a speed of 30 m/s . How much time passes before the )yr0y5e3rpr,tn-e6l t* ex bf 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 aild6wp g *le)7 cliff at an angle of dlel )p7*wg6 i$15.9^{\circ}$ 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)