07.14: An object moves to the East across a frictionle l;9jmz ly )6n-a(0tucdvmdxqse()t ) ss 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 Eastward, 6nmvt)cy;lm ) audt(ez-lx 9qj0)d(s partly Northward

  07.15: Two identical mass obj0wmxi)jd jei90uc/5aju zi y8p1/uy, ects are launched with the same speed from the same starting location. Obu jjuc95aii0j uz/ im )8e,px/d y01wyject 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 launz8-hvj -0dxup ched with the same speed from the same starting location. Object 1 is launched at an angle o0-h xj8zuvdp-f $30^{\circ}$ 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 horir 5vwd4kw,1 -t)-5jnrvblv nrh 3vrq5 zontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the targe4r hbnd55,3lv1r vv 5 k-jwvwqrrnt)- t. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same tix6ca un /0z39j jwmqz,qi.)k dme 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 groun k wm 6qdq)u/ nxca,3j09.zzjid. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same i e2/w*klurew,zr /i+u rm8a 3unstant, a bowling ball is dropped from the same height. Assuming air resistance can be lw/kzarwuu 2 *+re3,miu 8/erignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ba4.kbh1,h6yc xu ya5 b9e2ofbnll has an initial speed6. 4nuxe9bf h byhbok2y,ac15 $v_0$ 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 initialbr- x8pewj kjd/ +b*75ykw7 o(a7 yjku velocity v and an initial kinetic energ+ybkj(dwb krk778p5 w/ xe *oa7ju -yjy $E_k$. 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, balesfiq hb0rf850b nfn6*k of hay had to be dropped from an airplane to a herd of cattle below. Assume the a0qbf hk60*brif8nnf 5irplane 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 dro h-742k l4ewu.+) pejjg yoqig(mx3slpped 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 f4)uhg+ek .p3o7i( sxlg lw4m2eyj jq -or 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 fielp)fggs:9qm-kmc ;k.k d. Neglecting air resistance, which of the following kkmp-.qg9m: ckg)f;s statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the a8i1 6mn/oqs ,u9svpcm ir 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 ey w:fiyh 5scl (j1nmaac452. first 5m horizontally, the arrow fallslh nae .(f:cjcy5i4 12ywa 5ms 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bowa*l, fjq uf(hpv+ b78y 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 trhllx (dj uiltc8;23:he 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 speed of the projectile? Ignore air rhldl2t3l:u( r cj8x ;iesistance.

  13.14: A small ball is thrown at 34t im0f*yr urxo0 qem*tv nt7/ox,,z 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 cliff r sb) l,qwd7o-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 horizontally from the top o /+ aen cxwp4wd79lqo6f 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 t n/4 6 odpalc9qw+w7exrajectory?

  02.41: A person throws a small object from the top of a building at an a:vij 9nbv8bntlwiikm0: jm0p) 9h.3n ngle of m3v k :hj0i9m98b.:jni wvl0)nt p ibn$30^{\circ}$ 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 uhsixw,k xm7w2 jad /7+)2 dalof $60^{\circ}$ 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 launchej;ccai u*ve6 y10 ylz :jos36nd 30° above the horizontal from 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 horizontal is the object moving when it reaches the ground? Ignore air r:yae jilz6ou1vjsc 0; 36c ny*esistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal wiig4ily n+*hx -th a speed of 30 m/s . How much time passes before the position of the projectile makes an g*+y4 in ihxl-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 a cliff at an angle h3+ru: y.lxnx bxt8v4of x. hxlbyr:v348x t+un$15.9^{\circ}$ 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)