07.14: An object moves to th2ipvl*egzgpm q6 f3 16e East across a frictionless surface with constant speed. A person then applies a constant force to the North on the object. What 2igfpepm3g z6 lv *61qis the resulting path that the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical ma ,5cz4wkqvln,m-d;; 34bsetspk 6du oss objects are launched with the same speed from the same starting lodv wcqt ;zml bsu4 nds3,ko46,e5k ;p-cation. 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 e(i5cnm 6i18rmpb;rhlaunched with the same speed from the same startin 1prm ie5nc(bhi6;mr8g location. 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 experiences the greatest change in the linear momentum?

  94.14: An arrow is aimed horizontally, directly at the ct jj * wel*ey92/ g;a.5pysphn2(hup qenter of a target 20 m away. The arrow hits 0.050 m below the center of the target. Ne/a2(jue ;hh *sqwp9ept*. ng yp2jy5l glecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launche 1rp.*r7)pq e7ojm pdcd at the same time with the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degree p )jcorpm7d7*1e rqp.s. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally vnq a, .n+sj8k dkwz *8;mhiv7f/;yd;hx* anvfrom a cliff. At the same instant, a bowlin;;. dad+ky/n* w ,vha87k8 jf*vhxni zqmvs; ng ball 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 ta ch 7p-x)pwu3sble. The ball has an initial -xsw phu pc73)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 am.+wbw; wxw8 k.tc7k and an initial kinetic energyt;8+bm.cx k7.wwwawk $E_k$. 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/1in ( sk/jyew 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 be negligible for this situation. As the bales are falling through the air,sn/ j1ey/ikw( what will happen to their distance of separation?

  00.38: During a recent winter storm, bales: 6b.etri/ njh 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 o nb.i rt:ehj6/ne 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 down fiel5j fqt ;oyru21d. Neglecting air resistance, which of the f o5ryutj2;qf 1ollowing statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at an angle j-0/8na k o3oubf wsu4$\theta$ 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 shza )pq0 j9u5x7-yebmm2 ovl+hot 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 fall a additiona7o )m-xal5zv2b+ mp9jqe h0 yul

  06.04: An arrow is shot from a bow at an angle oleya vq;v*ur 6. 8fk- vwf(r)mp+lp)rf $40^{\circ}$ 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 fnprjwg.wh r1 1eizwv1+p8: q: rom 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 prohpqw pjv:wwrn1.r1 ie+:gz8 1jectile 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 -7jcr wzi 9e2eat 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 from3w, s)u5qctc ;z g4wpw 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 horizonebp2kb 7g43 vftally 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 for the object at the point labelep 4gf2b7ev 3kbd P on the trajectory?

  02.41: A person throws a small object from the topc kit2dcgd q;2*r:6jx of a building at an angle of c2rkd:;c 2g6jdtq*xi$30^{\circ}$ 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 *0z fsr, zo7jr*zi4olground 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 objec 7mc6 qj; ;7vtrup7oret is launched 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 moving when it reaches the ground? t;mpqrv6ru7oc7e 7 ;jIgnore air resistance.

  17.32: A projectile is launched at an angle of 40° above the qy +vc)1vmu*ohorizontal 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 launch povo1+*)q cm vyuint?

  14.40: A small 1.35-gram mass is launched from the top of a cliff at an anglb n(ptcm/:c7ye of/ycc mtbpn7 (: $15.9^{\circ}$ 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)