07.14: An object moves kmt+5 m/5sb ov0 cgou:to the East across a frictionless surface with constant speed. A person then applies a constant force to the North on the object. What is the resulting path that the object takes? A. A straight line uktm : goc55o/+v b0smpath partly Eastward, partly Northward

  07.15: Two identical mas -yhri*vsy5bc x/ n26ms objects are launched with the same speed from the same i/mycns- y6 xb v*h2r5starting 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched with the same speu.t*k0sph 3zxt u4r9 hed from the same starting l ph3thu0*tk 4r.z9xusocation. 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 center of a target 7u-5*)c ta(vlxxp5j z1pkjlh 20 m away. Thp uk* 5tvp-ljaxcz)j(1h7l5 xe arrow hits 0.050 m below the center 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 at an ab8(waxu7vux/ zxjxw19 a +t(s/; wdo angle greater x(xuw u1wja(/78tx o ;dw+v9/sa ab xzthan 45 degrees, 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 horizontally from a c*hehj*7l al/)w5 e njuliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which*/ahjw7jhe 5 )l*eu nl of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an ipz1f7sr g7 g+ (mktjg-nitial17(+fsggj g-r 7pmkzt 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 vh4uchw,b s .je3i +4ea y2zuh7ertically upward with an initial velocity v and an initial.hubei+ 7zshueayh, 4cw2j34 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 axtlrti 25er5 3irplane to a herd of cattle below. Assume the airplane flew horir2t 53terlx5 izontally 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, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales of hay had to be dropped fr . y:ti4u t+ke wy.mme-)gux.yom 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. About how far apart from e+.:.i .-ygek4 yttm myuwe)xu ach other will the bales land on the ground?

  01.14: A football is kicked a distance0c.l:rbn v8xt of 50 yards down field. Neglecting air resistancet:lxcn0vb . 8r, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown oi 8-pmxyu+7ecbq x4, into 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 horizontally toward a target 20 m away. In travel(yx*r2pd v 6lning first 5m horizontally, the arrow falls 0.2 m. 6yl*2r(xvp ndIn traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow b xdnu7;m;0o kat 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 horizontal dis 2n8hrlt 7*.zmizot)(m 59jgyfb o)gltance 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 wh(j8ogi9 *m))hom t5zl bnz2lf .7ty rgich it was launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an angle of s k0.c8)sjbp68rc ebw$30.0^{\circ}$ 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 toi4xn+ ez 76w8 ec v (jxqbu3tp*jssv))p 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 horizontally from the td8(zdia*//bgcb8tpokp7 r.oop 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 labeled P on the trajector /.zca(*r8pod7dotk b p8/gbi y?

  02.41: A person throws a small object from the top of a building at an angle o9q(jf4 s m *b,95fszxe3yppr0f ydj+hf s0 z3 +y9,expjff5 ps* djqh9y(b4rf m$30^{\circ}$ 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 grof1mywbj inl w/;4h5pfz4o1 t-und 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° ab muku9oy,w4b ast;in.t/1rc z z9le 6*ove 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; s4e nto/* uzi19a z6kbtu.,mw9y clr it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at al*upn0,p r1b bn angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° rl1pnb u,p *0babove the horizontal from the original launch point?

  14.40: A small 1.35-gram mass ins8u4 ddhx:w+z krh7 (s launched from the top of a cliff at an angle ofs4ndwh+ 8(zdhr:7 ukx $15.9^{\circ}$ 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)