07.14: An object moves to the Ea) (dono4 nvl zo9j bw*9x7ok8vst across a frictionless surface with constant speed. A person then applies a constant force to the North on the objecbd)*oovk vz ow7 n4oln998x (jt. 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 launchea cwfxg .m7a-8od /ap w27cmb;d with the same speed from the same starting loa-fm7m/ 2.abg d7ocpxwa cw;8cation. 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched with the same speed +v1inhlhhdxj2:;vr , from the same starting location. Object 1 is launched at an ang x h2n,:hrh+i v1;jdvlle 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 horizob(hv 19r z)gwmntally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the 1z9m(r b)vwhgcenter 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. A az(79q6iqf uept 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. ueqq 7piz6f 9(Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same insta ypm 9k,g (s-r*ftyzwts acjaf5z724+nt, a bowling ball is dropped from the same height. (pg2fz -5* yta4t fkaw+jcm s7ys,r9zAssuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of052h ,a*d80enw xvcbbaqrk, 5k fkdk0 a horizontal table. The ball has an initial spe5bw*b0 0 adkv cd8kfrh2ankqkxe,5 ,0ed $v_0$ 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 veloc/b j.wdpc-w(q *wi 1rzity v and an initpcbz*w(iw1wrq- d.j / ial 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 recentecfm., xs o(*m 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 seconds. It is reasonable to assume that air resistance will bes(mo ,e.*m xcf 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 to6 sq/9b(kv ghmx/cd /b 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 seconds. It is reasonable to assume that air resistance will be negligible b dkvmhxs(gb/q6/ 9c /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 yards down fie4s 2(-fq6z)lcyr492j6qxagft gh jmbld. Neglecting air resistance, which of the following statements would be INCORRECT )4s (4czq6 gja-mb ytq9rf 2f2ljhgx6 when the football reaches its highest point.

  03.10: A ball is thrown into the air :wcegfp8-+h sr6bql1 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 9x-qk q u1t uzp82w,9ge0jaes traveling first 5m -ukqsu 8, xqeeawzp2j9 91g0t horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an a.z;cyod qs rk6sjt58/ :ppx7lxeo ()ongle 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 fq fth2(pf2g4crom the 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 p(qt c4f h2pgf2rojectile? Ignore air resistance.

  13.14: A small ball k8i*cbj (vij2 wbk0;0w( xmilis 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 i)34f u3ut.9l n( rc65 7zmsxnkvkxdvys 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 trajectory of an object thrown horizontai o;a ol /m6i98yhdcq8lly 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 acceleration form6y;i8 9l/i8do h oqca the object at the point labeled P on the trajectory?

  02.41: A person throws a r z rht tk, 0cd0t2d 8izwpwq9g4 l3+ea2p,.xzsmall object from the top of a building at an angle of 03ltw+da.8 pd hgt40q kw,p, 22te9r czzxriz$30^{\circ}$ 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 at9vdezef)0h 1a 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 txh (ky(aqb76+ndjv*z5bn / oche 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 then6kby(q+da jh n/c5 (7xv bz*o ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° by g4-t9,t9-qnwj3sf fh5 a lfabove the horizontal with a speed of 30 m/s . How much time passes before3gsl -byf9f j9n,aqw t45f-ht 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 fr/c 3 xf)dsf2;edqwv8o om the top of a cliff at an angle of 8wqo2d v fd/ sxfce;3)$15.9^{\circ}$ 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)