07.14: An object moves to the East across a frictionless surf w0raq;ex3(besag 0u-ace with constant speed. A person then applies a constan(gxaq e30wu;e-r 0ba st force to 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 jv77 mg4tl +iiobjects are launched with the same speed from the same starting location. Object 1 is launched at agjt7ii 4m7+l vn 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 se*..,jg9xrlffx n; yr ame speed from the same sgy ; .xfjf e9n.l*,xrrtarting 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 horizontaleif -5xaj*5md7 *q/p3asqzfn ly, directly at the center of a target 20 m away. The arrow hits 0.050 s5m*qafap /x- n*qd3e7fijz5m 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 mzy )h k(s:-ifjc7kbabs6cb.4cvq 4 (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 sam(zb-74ky h:cm) bf6sskajbi.(vc4 qce spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a17(w2-d ltpsul5d-yie g r-lq cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ign- d(w-ul2 ld51y7igt- l eqpsrored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball h 5,qimu5shj a,y57*nas*/aycfd n 2xoas an initia2n*jhn m7qa f,/ad55*u aosciysyx,5l 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 vpt5s04vrod y rw34a( lyk1ht.ertically upward with an initial velocity v and an initial kinetic vkdylsr y o r0(a 1p4h43wtt5.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 bhoz1xg/-mwl 7 e 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 assu 7x-/zl 1mowhgme 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 an1k0ea/s4.h;x ch;nkx.cty ow airplane to a herd of cattle below. Assume the airplane flew horizontally at a.w 4ek s.ncha x;cx1/tky0oh ;n 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 kicked a distance of 50 yarrcjijug b7 f2n7wb857nx/7 nwds down field. Neglecting air resistance, whr 5 7j2/7fbxjwcn8n7 ubwn7giich of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the aig, 30u j (ieee.pi2kt8edueww re+)c; r 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 traveliq9(9hb/p4z 9ac vvyodng first 5m horizontally, the arrow falls 0.2 m. In travelingz4ya vp ( qvbhcod99/9 the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from y h3:4 .i2ipsa o yzr:51gqmmla bow 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 hkbg 06:spi h4.(c f2appiqm8distance 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 launchm0s. 4 6:ihb2gak8cpf (p iqphed, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an angle of e+ w lubr m,-uv6dm)ww817q0pdp3voy$30.0^{\circ}$ 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 witdh .-q kk;m4x hhqrpi87ml a;6h 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 anr+3*j gvo amh,3ix2mg 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 a+vgr*g3mjhx23om ,i 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 an angleb*ir .oagb.s :l;bfd0 of 0fbbb.l*;ioa:g.rsd $30^{\circ}$ 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 l1.kkmyubfd (,aunched 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 th:s+o c 8u0ksb: (fezc 7jlx6uce horizontal from a height of 10.0 above the ground. If the initial speed of the b86u+e(s:zj7l c cs0xo :cukf 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 alivz:,bx rzpv3 m(pv h559u7i6 ba ad;t an angle of 40° 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 5v3 5ibvhmb7: v6ppaazrl(xu,d;9 zi launch point?

  14.40: A small 1.35-gram mass is launched from the toth6q ,gnh n2h ezb/*h(p of a cliff at an angle of * h,bq6(tn egh2z n/hh$15.9^{\circ}$ 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)