07.14: An object moves to t+2p1tuqm( h4l tvfbk4bd j,8mhe 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 thatu 84lm b(b+2qvjt1 h,dpk4f mt the object takes? A. A straight line path partly Eastward, partly Northward

  07.15: Two identicalrw +9s;i:n9r6sriwh o mass objects are launched with the same speed from the same starting low9+ 9 ws:iror6rsih;ncation. 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 sg ftl wh8a-l4azk l+81ame speed from the same starting location. Object 1 is launchedtlla g-h1 klz 8a8w4f+ 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, dirf,bxblq d6+szhs 5hg8.v35m sectly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting,xs855 z gsfhslvqm6+h.b3db air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the sam5zz((a 7iasvx e time with the same speed. A at an angle greaa zx(5azs7iv (ter 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 samjq 6 oj+s igynbl1a:-2e instant, a bowling ball is drop+syiq6aj lj2- o :bng1ped from the same height. Assuming air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal ta7b ,p*jpi bzky+r* pr9ble. The ball has an initial irb,ppyzp9 bj *rk*7+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 wi6kkzuwn. b *4ith an initial velocity v and an initial kinetic energwnk*b k6. 4iuzy $E_k$. 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 of6h *n4 ohan .o f+y9y8dvoy.pf 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. As the bales are falling th hodf.*8 vy6a 9poo+.nn4fyhyrough the air, what will happen to their distance of separation?

  00.38: During a recent winter storm, bales 1qq97d: pinbiof 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 seconii:db 17nq pq9ds. 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. Neglectingwt-u;k0o( ruguc: +x s air resistance, which of the following statements would be INCORRECT when the football reachesxgucs :ou-k+w t0; (ur its highest point.

  03.10: A ball is thrown into the air at4tb7g c (iqj7i 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 tgj*moe-:e p8( yzq ae4oward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the4 ( eogqjyzpme:e-a 8* next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow at ,nywjw nh3/+l cvrwwe ,(c( w 5m(d1anan 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 horizontal0 )*sqfgr +dnp 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 posit s+gp fqrn)d0*ion from which it was launched, what was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball is thrown at an angle o 24e obauc0r:cm15soq 9b)rcpf $30.0^{\circ}$ 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 cli7whr1 i ik:n7j no,szng68c3wff 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 th195lgiztv c 5k5ff- qed:lp1wrown horizontally 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 vel5fctge9p5 lf:z-w5v 1 dikql1 ocity and of the acceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws a small object from the top of a building at anrv0-ruq/h+-qj+g xgs angle of r xqs- 0g+g +qrv/h-ju$30^{\circ}$ 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 lad5/5zz l:i-per6j i bcunched 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 h3o+do ra7gap9orizontal 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 g g9aprao +o37dround? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° abom2q3ug,s.x rua a7xw6ve the horizontal with a speed of 30 m/s . How much time passes before the poa7gar.qx62s 3u, uxmwsition of the projectile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launched from the tom7 if2p3l3sz6tf i+v.y7r3i x*lwm de p of a cliff at an angle of 3 pzy* m flxi3wdiiv2srm.f376t+7el$15.9^{\circ}$ 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)