07.14: An object moves to the East across a frictionless s1f wo/75shhhn pi3 h-*c6 ws :il1jvpcd8nu;wurface with constant speed. A person then applies a constant force tf3wl:d sjs 1n8h7hc/5ipnww6* hp1h o-u i;cvo 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 identical mass objects are launched witz9 5 )tr2bgs9 e9xneimh the same speed from the same starting location. Object 1 imzgib n2xe)99e5tr9s s 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 * foqy+p9 ;vfms/-vbcspeed from the same starti- poc s/*v 9f+mvb;yqfng 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 center cp (38kl. r2z snk5,sks 5spqmof a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting pksz8 ksq(,c3s2n r55 skmpl.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 a zt6u*.q / *b.bqrshxsn anglers*. /bsuth. b6*q zxq greater than 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 cliff. At the same id0 tn9l(dm po1nstant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of th0d9 odlnpt1 (me following statements is correct?

  96.08: A ball is rolled off the edge of a horiz gw; wc1fc;+ xvju0w5yontal table. The ball has an initial +gxcwc 1v;u5w 0ywfj; 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 and v84zmw r3elisc45 3mban initial kicr5834 l4b3sizmvm ewnetic 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 haya 8 n9(jr3xhz y5f ,pmr*kevk/ 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 hay9 8jfapyr 3 ,/ rvx(*h5kkmenz 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 wc dj..e-m2o ldkmiy6 kq23 kq6ybrv-; inter storm, bales of hay had to be dropped from an airplane to a herd of cattle below. Assumo 63yklm6-ekjb ;qvd2i-mk.2 c r.ydq e 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 other will the bales land on the ground?

  01.14: A football is kicked a distance of 50 yards down field. Nm t;zbq14su 5(z0qkcz eglecting air resistance, which of the following statements would be INCORRECT when the football reache c;ktmu1b0qszzq5( 4z s its highest point.

  03.10: A ball is thrown into the dt/,nfgd k(*byj *i q(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 targeusrmo3p4ru+ 5t 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next +4uu3rs5mpro 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at an angle of64w9wqvsk :wi znk0+o $40^{\circ}$ 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 o 3dmysan*33x:a p bg66+nsrwjf 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, what was the launch speed of the projectile? Ignore air resistance6:6yd 3 j33rps snamgx*wnb+a.

  13.14: A small ball is te5ry25*/vvxn; m+x swr67x6 zcvpdjf hrown 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 withqb8eoi37)n qsl,3 haf 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 7ukg.m1sl n8kg ct:j q/k(9wyoj90aptop 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 fgjoqknt kjc u 8a /w9.p9gymlk(0:s71 or the object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the azt-*f6 vpovha ut7-3 top of a building at an angle of ou-t 6zvv3ft-* a7a ph$30^{\circ}$ 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 laun+zp86 akv+ jcvybz ,z,niov qy 14v2(fched 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 z yu0iy;;rgkw 3 ou.wve23gc6 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? Ignore ai g u oc2w3 e;0gvyr.3wyuk6;zir resistance.

  17.32: A projectile is launched at an angle of 40° pm5foo qspcglp8/8o)s4d/y (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° abovypq flc8/mpo4s8(g) psodo5 /e the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the top of a cl f09f. rht1v 3bhn1a*we:amc eiff at an angle of :*t.fnvm11ha0f3wrh 9ceeba $15.9^{\circ}$ 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)