07.14: An object moves to the East across a frictionless hj-f3p6ezg u)ac9uqwfpg(g s5i2* 7v surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that the (cp5qsue9vh*7z gf3 -2wj )u pi6 ggfaobject takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects ark3;jsis (y,vie launched with the same speed from the same starting location. Objesk(jvsiiy3 ;, ct 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 launched with thniz4 /rz* b1uhe same speed from the same starting location. On4 rziuz1/hb*bject 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 h3yxn/-7cd gly6lru; q orizontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the clux n qglyd- r;c/376yenter 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 same speed. Amu qux29m3 e45aa0jr p at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both land a5ue ua 3 92qjm40prmaxt the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same instant, a kaiyq*-bdi2jf3:u j :bowling ball is dropped from the same height. Assumijkjfd: 3y au2ii* -:bqng 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 hasr-0(lv 3+yx1.x d x bk.unllac an initial spevnx01 (- +dll.xb xk.lrucay3ed $v_0$ 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 vere;h rawxlp7s6 4 2tb)ntically upward with an initial velocity v and an initialr n) a2tlx7hb s4ewp;6 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 drop*- ejlf bie80cped 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*eb el -c80fji 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 droppnjq- oe.zltvrthdi)( yb8 w0gc- /q8/ed 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 -rw/ich8dv j-.( qbltqzge80) /tn o ybail 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( *( iocnpp :4ritdzc0 yards down field. Neglecting air resistance, which of the following statements would be INCO(*c0:zp nt4pi rdoi (cRRECT when the football reaches its highest point.

  03.10: A ball is thrown intoetn,i (b-h2snxa /b o2 the 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 hori6eryel l0,te 7zontally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the 6eel e,7 yt0lrnext 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angmk/n0ect+ blbzky (-wqg6k -6le 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 horcis0,a++ze4g uy0 jdr izontal distance of 120.0 m frorda,0scye + 4ij u+0zgm 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 resistance.

  13.14: A small ball is-c58 d 71 c;7wk gvgogr ktk*vwh(blg* thrown at 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 cliff3gkz59s *l7+d(pr vsitke7qs 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 trajectoabt,m7 rbrvb )zf;(zw 7 +6q9 ijf/ b5.qeqvvpry 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 of the velocitj r pfq+ 5z.q 9b(ev6z;ab77t vv)/rbwqbim,fy and of the acceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws az* 3p6wv//xnhwj+6bkr h. +hvty a d6p small object from the top of a building at an angle of + z.x y/nwd6pbkhw v6/6r j3hp avh*t+$30^{\circ}$ 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 launch9k2y)d +eyug )6ls jpjed 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 from a hei 0h5ckd6 qb:hmght of 10.0 above the ground. Ifhq: 05 hmd6bck 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 the horizontal with a scu8ll+ah5 w dh146s3dhd u8vg c.xx.apeed of 30 m/s . How much time passes before thdw sxx v+a83. h6huu85a4h ldclgc1d .e position of the projectile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gramkytm*ho g1-i,vvf :oz5ogm8( mass is launched from the top of a cliff at an angle of v(g -o*i ,5 8voh m:okgftm1zy$15.9^{\circ}$ 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)