07.14: An object moves tkwdklg* 4sk z+,:e x*.h n;dyjo the East across a frictionless surface with constant speed. A person then applies a consta k yn,ewkz4gj*kx* . :+ddlhs;nt 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 identicalu2m9kw7vlr* v .qcn3c mass objects are launched with the same speed from the same starting locatvkc7mu.qv9wcnl *2r 3ion. 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 spe8u.onmy( v .uyed from the same starting location. Object 1 is lauuu(.8noymv y .nched 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 horizontally, directly at the ceughw/9z*jl vp 04 n(ljnter of a target 20 m away. The arrow hits 0.050 m below the center of the tar( g*/l4jhj9 wznu0lvpget. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same timebo.o 30t7dzc r7o,hsr 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 same spot on the 0.o rob t 3rodh,7zsc7ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally fs.2 * nmgs)xajzl7coz e)y m82rom a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming a ).y28 emx7cssj2onz*ma zgl)ir resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizon8z /obnaqln)ep; -ie -tal table. The ball has an initial spabi) qzeln-e; o8n p/-eed $v_0$ 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 ini60*ajsp1jam kkc 7wtt *3qy( rtial velocity v and an initial 1pa 70jq*tt3j(*m6akkcrw s y 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 dropped from an aib;h9*vq9o d tqhm34 rdrplane 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 for this situation. As the bales are falling through the air, wm4b*h;rq3tv99dd q h ohat will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be droppeuyv6u ev4lt;0d from an airplane to a herd of cattle below. Assume the airplane flew horizontally at lytv60eu;uv 4 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. 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 d9*4hfl f9:kldcw3pq p2wag t6own field. Neglecting air resistance, which of the following statements would be INCORRECT whhfapt6:fpdwql c9wg42k 9*l3en the football reaches its highest point.

  03.10: A ball is thrown into tkrh/1ho99frsguwp 7 1 t1vx3phe 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 sh8f 0 jsvq8hd5uk r;hye*s.jeqt,,* faot horizontally toward a target 20 m away. In traveling first 5m horizonryf t8k uqq*8 sv,.ee*j5shj0 f ;a,hdtally, 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 /r;h(7,6aca*n1ffcfde dm*vbfh ke5h ad 3k4 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 hor+roo b5xuk4k,izontal distance of 120.0 m from its launch pok, xo4r bku+5oint. 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 thrown at an angle rs/f2mul y5 m z+ y8)nvo/1x0 j, ybeujetn*7cof $30.0^{\circ}$ 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 cliffv o+1hw 1 1itw3qjo0zg 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 cmv5mkk)6vkz 5hx b8cdk 0 t:)object thrown horizontally from the top of a building is shown as the dashedkzc xkch:kbvv m) 6tdk8m)5 50 line in the figure. 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 buildingvyk 5h(vck * m1x0p 8m43ivjee at an angle of m*vvpky3iex8jc ( ev 5hm1k40$30^{\circ}$ 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 an ang8a1tl h+hw.la 4yd0 pnle 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 horizop23 dh5 *lpvw;sbg- rcntal 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 the grounrgsl; pbpch5vw 32d*-d? Ignore air resistance.

  17.32: A projectile is launched at 7xs(4ngfgt 5ps oe.g.an angle of 40° above the horizontal with a speed of 30 . foxpg s4eg(tn5g7 .sm/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 from7wdx cbt:0uh spm)mmc9-9d 1c the top of a cliff at an angle of umcb99 cp)m cdmw0dt1 :sh7-x$15.9^{\circ}$ 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)