07.14: An object moves to the East across a frictionless surface withy+ntep ;tt;5c constant speed. A person then applies a constant force to the North on the object. What ipe ;; 5ty+ttcns the resulting path that the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are lawa w.g3t ;wi4kunched with the same speed from the same starting locationa4.g wk ti3w;w. 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 lawe52 liat7o0e unched with the same speed from the same starting location. 0o e2i57aetwlObject 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 ,ylk 2nj)ex3vio0u p1 target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arney0jv3 )oix u,2k l1prow?

  03.05: Two arrows are launched at the same time with the same1v8gdbop/a.nsh 0 :sl speed. A at an angle greater than 45 degrees, and arrow B at an angle less t8a1 p d vshb.sn0/olg:han 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally frd4ycslz/.vf(bi)cq);z i6r c om a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the foll.lqicb)(zf6/;ri y cc d)z v4sowing statements is correct?

  96.08: A ball is rolled off the edge of 01j a(ciqjdw0 a horizontal table. The ball has an initial spq a00dwj(ci 1jeed $v_0$ 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 fx 3.nxg fw/mdd y z1u82r35jjan initial velocity v and an initial kinetic enxxwy8u3 1 jzdd2f.5jrfg/ n m3ergy $E_k$. 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 e)dwe u) pa/+)j*p;hjbo: 3hug.lqluc7, u kpped 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, what will happen tb3padjphu h,e.j u*)gpukequ o)7l :lw;c)+/ o their distance of separation?

  00.38: During a recenjjz8* :ogcle-t 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 be negligible for this situation. About how far apart from each jc8l:e gozj* -other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field. Neglecting me9mka .-7giijp u 3y;vzd 4v4air resistance, which of the following statements would be INCORRECT when m94;37a gvj -muivpzdyi4.kethe football reaches its highest point.

  03.10: A ball is thrown into the air at (-l nvlbq2*p*v0bej pan 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 traveling gj x0 uo7+ix)xfirst 5m horizontally, the arrow falls 0.2 m. In traveling the nexugixo+)70x xjt 5 m horizontally it will fall a additional

  06.04: An arrow is shotbt6m do);y*1df 01xs 3b+arh xlq, uyj from a bow at 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 q*84 xwr/,vpn m 4tnfqa horizontal distance of 120.0 m from its launch point. The projectile was in qrm/fn8nwq *,4 px tv4the 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 j puxwm a+wn dd m52.;b6u3e5sis 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 cliff with spe.- syfb) n+ bqtvyuy/w)fgi 1)ed $V$ 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 ux(4 7 8rr1d wdmxp c.4qm8 wow.*btwghorizontally from the top of a building is shown as the dashed line in the figure. Which sets pwx4*w8.t ( . r1db8m7wwxdrmgu cqo4 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 /tgi 7i7+e-pfb:6fd6nqkgj-2pi qi l object from the top of a building at an angle of p fglpge- q7n:6bt+ /j2i 6fi d-i7iqk$30^{\circ}$ 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 ae+hv (cr p4w3an 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 m8n/9/qt z9eds6y omj+j8 1msusr g0hfrom 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 movmo g+yhr/tem9 jjnsqz60d/ 8 1s8s u9ming when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40°xl ,1.kaanrh7 5ae7jr 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° above the horizontal from the original launch pj7 r5 ra.k n7x,laa1ehoint?

  14.40: A small 1.35-gram mass is 1 y* 2q)ys tumq67klewlaunched from the top of a cliff at an angle of )6ey1tl 2 sqy*ukq7wm$15.9^{\circ}$ 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)