07.14: An object moves to the East across a frictionless surface with constjp1mfv a1 7-zj -irm8pant speed. A person then applies a constant force to the Nori1v-8-1p m jzp7marfj th 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 mw+1v5i*5f kwv up;scnass objects are launched with the same speed from the same starting locat15wu;vivn pc*5w k f+sion. 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 sao. oaj .lv/8qcb12 av/ h.g6qf7xfmpq me speed from the same starting location. qjvf6xqf7h.c1/lmap gba v q.o .82/oObject 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 horizswplg ;4p8xq*ontally, directly at the center of a target 20 m awp4lw;g x *s8pqay. The 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 lauo uueef1g0gfhw29dz8ue2g79 h* cyo6nched 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 degrees. Both land at the same spot on the ground. Which ggh8g 1uoe72h 0*zue9dff c9uwo 62e yarrow arrives first?

  95.19: A baseball is thrown horizontally fromr437clmqtisqu3b c 6- a cliff. At the same instant, a bowling ball is dropped from the same heighu6qi4btmcr s37cl- q 3t. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge 1oauu38gfpugs 9/s+ , ffe (kiof a horizontal table. The ball has an initiasu fp3uu8ak 1i,g e(9sf f+o/gl 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 vel, /kl(yjtvj:1w vt6sxi 0o(l psp9af:ocity v and an initial six9 wf(0,: kylval/v6 t:jj1(p ptos 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 bee 5yq)f-kccl5 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. A klf5-yc5cq) es 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 from an air:,9x xco054 q utmevdsplane to a herd of cattle below. Assume the airplane flew horizontally come uxds90tx4:5v , qat 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 distc heyw4h1a74(hv3ih 0w(l pfnance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT e3v1c fh0 ah whyp(7 wi44nlh(when the football reaches its highest point.

  03.10: A ball is thrown into the airqki- x8z v-yv n+6 b6,c5sntfp 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 toc.ut5;. pzxooward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In travelx; p.ot. uczo5ing the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot frr/rch3tz/8 jgtevxzi5 a vqbo/2f9 +2om 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 g,7d29 yi1 j6mxuwywkground 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 projectile landed at the same vertical p,dj79 w xwmu1 kiy62ygosition from which it was launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is throwfl, ipeam t*a 8s12502cma xldn 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 speed ) xsl)4f8:k1 vjjd fkw$V$ 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 horicm1mgg tm5vx7z*;m2 e s15ecnzontally 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 labeled P on the trajectornz ;m1vx*ce1 sc g 5mmme5t72gy?

  02.41: A person throws a small object from the tx ryje5.uywn /4bw)v 0op of a building at an angle of 0.n4uy)5vjebwyr x/w$30^{\circ}$ 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 groujbi3,2( u,i.wzfz tt. g+hzw cnd 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 from a h); )+ald xtii30r 9su2cssqblpo.*p vlp-ld3eight of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what tr ;bl)+*sp0s 39uii 2xpld cds.apl) 3voql- angle below the horizontal is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal withw2n8o8a 6)yb5tj1tw c hs zp6e a speed of 30 m/s . How much time passes before the posi2h )npsc t1yw j5bzotw668ea8tion of the projectile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram ma,onv smu 04l+lx9d s(sss is launched from the top of a cliff at an angle of d(ss, +u9os4xvll m0 n$15.9^{\circ}$ 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)