07.14: An object moves to the East across a fr dv:i9ntqt/zz nuyc *g;967eyictionless surface with constant speed. A person then applies a constany/ny7e: *c;iuz9q tg 9z6tnvdt force to 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 la 7hi4a: ih(fvfunched with the same speed from the same startif4(vii7hfa h: ng 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched with the same c.zlp c(m8508 o)1j.muepz js hvtz+dspeed from the same starting locatocz.s.jue8pj h 5td0 z8mzlm pc)+1v( ion. 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 of a target 20 m l(mz/st ceu.g7 t88 ibaway. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of t8cubl 8m (7e/ git.zsthe arrow?

  03.05: Two arrows are launched at the same time l,er7c3v6f njzjtu(0 6sp .3tn dx*t mwith the same speed. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Both la3tft u et*36n,jv.d( 6zsj0m cl7nrpx nd at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliff. At the same ins/w3gna+kp3,w lt fl77 ho(xhatant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following st7/7 xanhklwpa,+hg3 t(l 3owfatements is correct?

  96.08: A ball is rolled off the edge omk , )ulcus9h(f a horizontal table. The ball has an initials9,kulc) hu(m 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 upwajz0sds yi.u( 3rd with an initial velocity v and an initial us.( 0djs3yzi 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 (p uzg:g 3nuxuac(n,18lvw5 zof 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 uc(nlu 3a xwvpnu(,:z 85gzg1 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 to their distance of separation?

  00.38: During a recent winter stol:-k;a6 s m4b6pwwn ucrm, 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 bw :;a-n4um6 clk6pswof 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 atr mpp2u1ms7 0e 9zi4u distance of 50 yards down field. Neglecting air resistance, which of the following statements woul 0p7sizr29ump m 4t1eud be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at an angf(qench9vtr).ssl u/t bh- 0)le $\theta$ 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 horizozg -k9pdzbg*s3wa,pp5 4gny sw .w85 hntally toward a target 20 m away. In traveling first 5m horizo8n 3 g spwpp zz-4g,5g9wybswd5kh*. antally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a brmjz*hx 4x4bq/ t8. wqow 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 la)smqc*xzj l lt z7sv(i;t8w(g2o8 yh(nded 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 position from which it was launched, what was the launch speed of the projectile?l(oh8qvi8(t 7c )zyg m*tlxsz2w; sj( Ignore air resistance.

  13.14: A small ball is djyq /p4nip/ *v jo+ b)jrw19tthrown 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 fxssf. y kra0t;lo5 j0nr7wd8*rom the top of a cliff 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 a v3jo,dpyh zr(6e1 p5on object thrown horizontally from the top of ,v o5d3rzh jpo 6(ey1pa 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 trajectory?

  02.41: A person throws a small)hge9/ 60ha7 j)tm oef ltva2l object from the top of a building at an angle of g)v70lmhhtjo 96) a/af2 etle $30^{\circ}$ 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 launcheq3o:dtjwly js3 w a4 /i8s8*xrcvq6 p-d 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 l4inrwvm; ,-b aaunched 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 gbr4;nwami -,vround? Ignore air resistance.

  17.32: A projectile is launched at an angle oydirt1r;+ y9ylgtyfjw 7lyog+ 1. * x,x 8cqn6f 40° 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 h6lcor qw.+d t8rlyin;xyy+9jyt1 y f*g ,1gx7orizontal from the original launch point?

  14.40: A small 1.35-gram mass is lar4q3l:zl 7s weunched from the top of a cliff at an angle of rl 3 :zsql4e7w$15.9^{\circ}$ 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)