07.14: An object moves to the East across a frfnl izv314*t15lf*,ct r+o f7z hvhtjictionless surface with constant speed. A person then applies a constant force to the North on fz4t1 h,fhl +jz*n*li o3v7 rf5vctt1 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 objects are launched with the s eym+e:gsrp 9:ame speed from the same starting location. Object 1 is launched at an angle of yr :9 me:gspe+$30^{\circ}$ 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 ob(cx lriou0s)x :zlgz c+35 g5ujects are launched with the same speed from the same starting location. Object 1 is launched at an ang3sggcl+(cx05uiu r)xz5: oz lle 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, directly at the center ofvfn+tx rpu8zf92:sq (+wk l)i a target 20 m away. The arrow hitnsr2: qx+ 8)v(f+kl z fiwtup9s 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows arv+ec02qhjr/niqg :b i, +;vmge launched at the same time with the same speed. A at an angle greater than 45 degreeivq ij ngr+q 2:bm0c/;+h,gves, and arrow B at an angle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown hot.dv+vos a:u9rizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming aivvotdsa+u:. 9 r resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rol iebc4h0qt3) j9c wep5led off the edge of a horizontal table. The ball has an initial qeie0t4p5c)h cb3 j9w 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 initial velocity v ank0,w ewg4 h8f5yab; frd an initial kinetic eng,rfea 8w;wh fk 4y0b5ergy $E_k$. 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 frgwiv h 5/ikb*1s./v pqjf5 b*6zi(zwj om an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude of 180 m isfvj5 1p*b5j6whg( i/kzw /.bv*q izwith 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 dl)x .zhn5 bnbkhx/e8p0* qn*aropped 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 f8*/*nxx5kpnlqbe.a0h b) zhnor this situation. About how far apart from each other will the bales land on the ground?

  01.14: A football is za+i5m pso u*s 2p7a0ekicked a distance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when the football reac0s es2m5pauz ao7+ip*hes its highest point.

  03.10: A ball is thrown into the air at agveux.b *) ,r*(mfb gpdc+wv7n 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 sh; xn4 tfmz1h x:sn/un8ot horizontally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fal:1f8mnhnn ; 4zxt/usxl a additional

  06.04: An arrow is shot from7 po1ztc0ffj; a 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 froie shx t(e7h*.al6 pz/m the ground landed a horizontal distance of 120.0 m from its launch point. The projectile was in the air foe67z( tlh pish ex*a/.r 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 at an akwyh6 zijg5-f(gu tx-*k g g,:ngle 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 ismu)fp dgz( s49,ger4m 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 tr-nn e.b5rr(l sv0i2nu ajectory 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 o 0s rni-lvb5( enrnu.2f 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 buildin n1x )8hl2c yl;rlkzl3g at an angle of 23c1l8)xnk lz;y llrh$30^{\circ}$ 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 frfo+af;,.b i tnom 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 mj m(1mu.mz:elaunched 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 mumj(1m .ezmm :oving when it reaches the ground? Ignore air resistance.

  17.32: A projectile 6 n qfygk(t-cbu;/h g*f)5pjd is launched at an angle of 40° above the horizontal with a s) nygf5qf6btp(/hj;cgd *ku- peed 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 launch point?

  14.40: A small 1.35-gram mass is launched from the top of a cliff at an angle ii vr 4+ 8l4/p5dgbhrpofh8 gv/p ilpbdri44r +5 $15.9^{\circ}$ 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)