07.14: An object moves to the East across a frictionless surface with constauhgfkg+/jd 8 2nt speed. A person then applies a constant force to the North on the object. What is the resulting path thatf/ gd+g hjk28u the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identical mass objects are launched with the same speed from th-(*t8t-wbkb1 cwc n:weqn0v2(;*hy mtj dof pe same starting lo tb0vkoed* ww;-( bwhcf(q2nc8pm n:jtt*1-ycation. 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 mas1xe:l: bnm/em 11cl hwx.: thss objects are launched with the same speed from the same starting location. Object 1 is launched at an a1h:h 1mcnl1l.:meb xs:/ex twngle 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 cen( z+ni+k 2oeakter of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial snkiaz2(ek +o+ peed of the arrow?

  03.05: Two arrows are launched7akqm:noic v 4dx w8vjix9-r) 73x1h e at the same time with the same speed. A at an angle greater than 45 degrees, and arro3- ic7awe)7qmr v xo9d48ixk x:jvh1 nw 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 cliff. At the same instant,ifvs pt3oa:fae-n3 5 , a bowling ball is dropped from the same height. Assuming air resisivpf-:nat e, 3s5foa3tance can be ignored, which of the following statements is correct?

  96.08: A ball is rolewxx 1jv78kb /led off the edge of a horizontal table. The ball has an initial spee 1wj/x xkv7e8bd $v_0$ 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 throwu0eg;ia 9pd k)n vertically upward with an initial velocity v and an initial kinete i9)0kpu dag;ic 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 droppe s abe/cc386u xn8qk6ud 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 sixq8s6uk6b/uc 38ca entuation. 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 hay48+6a f fytvtw/zmm:02crgf c 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 8 4fw/vtc2tm 0gzm+ 6rfa:ycffrom each other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field. Neglec6m jyerqj-v/fw 7,c7vting air resistance, which of the following statements would be INCORRECT when the footbaeq j/ fyv-7vrw,67 mjcll reaches its highest point.

  03.10: A ball is thrown r.k/k+e- uu8xm . xrqhinto 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 horizj3r b /7-vzcual8to *e t5zu2xontally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.u2tje73z o8ur/x5-bt laz* vc2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an 7 boet-mwj6i 3f 6gc6cangle 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 distance o8+ rnw6,nv+a2i1jqx qip8 sdff 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, wh 8fq2jd1w +6 , irapniv+qs8nxat was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an fxv d, cmxcsf3)0)o1k)g1cwn 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 wi no dwx1cq*-kdc1g+q +th 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 top ofqukfv b2/*ni( he+:mq a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the directions of the velocity a hmu(q :2/+kv*f nqebind of the acceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws a f: z8w2o.i 8tdxzu9hwsmall object from the top of a building at an angle of 8.8iz2 z9:xtdw ufowh$30^{\circ}$ 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 launc;*qfrnid q *+m9g:4uf z dcia7hed from the ground 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° above the horizontal th*cst0w8v zu gtf *o2lh,3(l 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 ground38zv t(wtltl2h,* c0uhfo* g s? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above the h x6gunr(hs7g .orizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above ths(u x7rn6g.gh e horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launchgn3 8tpv i1;qfk6hm0oed from the top of a cliff at an angle ofhqkv6;3fp10g8 not mi $15.9^{\circ}$ 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)