07.14: An object moves to the El dwp2 u/(tro:ast across 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 straigrp 2w (t:oudl/ht line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same m;(c yr8tu xfd,1reb sr.7p f1speed from the same starting location. Object 1 is la ;b(.ctfdrs p1y17m8x u,ef rrunched 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 fr3ht +x(id3/ 0dqrki) s9fnfu gom the same starting location. Object 1 is launched at an angle o9sk+(rgxt 3f ihinqd0u)f d3/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 horizontally, directly at the center o)uv(lbrcm ijkd m3 ab,8k .;*sf a target 20 m away. Thejubm.ca dikk;*3 b(8 lv)m,r s arrow hits 0.050 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 with the . p uypu6.niu.rtydt5krr8x- vv o8z+s7/ mk3same 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. Whi r vyd/k vkuuy7r-6p+3xm rn5z88u..s o.ttipch arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant, l t7ul)mwsv*r/h g99v a bowling ball7v9uw/ mvs*rt ghll)9 is dropped from the same height. Assuming 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 initjy6f5d+i9vnz(v-my : : rkhoxa .jg2ki-6kmfz 29 ivx+ (:jgo:vdkyn a5.yjh ral 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 an initiatg 6 j1;lodetiw6-s 9nk r*;.cazm e8ll velocity v and an initial kit9 mli* nzc6e d8;ar-jw 1tl. g;oske6netic 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 recei(j6*s(ng qs nh1y i.hck60gjnt winter storm, bales of hay had to be dropped from an airplane to a herd of cattle belo1 n(gjski*6y0gcish n 6h. (jqw. 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. As the bales are falling through the air, what will happen to their distance of separation?

  00.38: During a recenb0g9 sx evpy 3l:gs/t;t 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 50 m/s and dropped one bail of hay every two 0bx 39:stp g /seygvl;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 isv565oexyef34 lu5 hgy kicked a distance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reaches itsyfeuelo 36xv55g 4 h5y highest point.

  03.10: A ball is thrown into the air at an angle l*g3;j: mxadaf+l.v)(mvl tt $\theta$ 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 trwz dw4;x3eky) aveling first 5m horizontally, the arrow falls 0.2 m. ye 4dw3kz);x wIn traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a z: 1+5 q zxmj u,smio3s))yagh8otw)zbow 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 distance ocq ,gt3:kclc+q+gp n 7f 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 ,+k lt+ ncq3g7pcc:q gthe 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 at an ffkfu .zxt2-yk:xzzndn,(cv)q) a83angle 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 tonsc)c w2jy /)sp 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 anwbwji 2 2p68eg object thrown horizontally from the top of a building is shown as the dashed line in the figugbwe2i6j 2p8wre. 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 small object from the top of a butj8fzd) 8yvwewd0 v .)ilding at an angle of djww fytedz)v )8v0.8$30^{\circ}$ 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 andmz 23d lw1onfgxqd(t/07 h a: 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 horkllfqn.e2,wn6 33+ kgoy ehs6izontal from a height of 10.0 above the ground. If qnl3n.6o6, ghew+2 esy3 klfk 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 resistance.

  17.32: A projectile is launched at an angle of 40° above t ew-vk0wuiprv: p :8z1he 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 launrv1:8p wzuipkwe-v :0 ch point?

  14.40: A small 1.35-gram rmqkxa 1+ pd2 xj5c2de *iyho9x/ ;nn3mass is launched from the top of a cliff at an angle of c n2kd md9q5;yi2+ poex1nrxa/3 xh* j$15.9^{\circ}$ 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)