07.14: An object movesigm 0(,..2gp:qsiven6uldo 0xofi 8 h to the East across a frictionless surface with constant speed. A person then applies i.pv s0u6.fi lomi8gdg,(h n2 ex 0qo:a constant 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 launched with mjokv b7-i.w,x6po2qthe same speed from the same starting location. Object 1 is launched at an angle of k6ox2qv, -i7.mobj wp$30^{\circ}$ 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 speed from t7mx4g*2 iofdzd2 kocy8 mh4 1bhe same starting m m1 idzf2 kocg*8hdy4x42ob7 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, direct3ezow5(j9*qj7b-b(y t af4rv w whj qdou,y 50ly at the center of a target 20 m abj5- awt,j5w4oo eu db9ry0y( vwqqzf73jh( * way. 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 launched at the same time with the +0 ( .n9p dmjk;7zuu( iukoaivsame speed. A at an angle greater than 45 degrees, and arrow oav0u ; udu+7i.n(k9m(z kpji 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 fqz d/qz4ka /j+rom a cliff. At the same instant, a bowling ball is dropped from the same j 4q /z+q/dkzaheight. 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 ta p)*jmgaol+vyw/xl+9q(kgtk7fpz8 u4-6 uttble. The ball has an initial speux8gqwt p/m- fl+4u6lpg9tz ) tyj+ko(v ka* 7ed $v_0$ 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 veloc9qfmg3:y smu x+w qg19ity v and an initial kinex q:y fumg+1s9qg3mw 9tic 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 dropped flm k nqh;2c3mw )9ie1srom 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 air32 inh sqemk1l9cw);m 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 storm, bales ofmli-t ypg57 m k2xbw2) 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 bamb5 mpg2)txyk72-wli il 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. Neglecting ai0 l(-usxujvljoz8l.1, fixm ; r resistance, which of tzvoillj1,l;x ( -s f8x0j .uumhe following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into th r e oo,os;*)1zvhfvg)wj 5o:ce 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 p qckq5c8 ,k qrm;5ns+a target 20 m away. In traveling first 5m horizontally, the arrow fall5pc,kqnq+ck; s 5m8 rqs 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is sh98f5*h7ap sr*diz gjsot from 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 groun5v3eoc.2rg :xgkm *z yqnb7,xd 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 position2gn* 3c q. 5e,kxrbvmz 7yox:g 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 of:3n rv4sgt* uk $30.0^{\circ}$ 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 c* c0qa .xfuu7p+qi+m9hfaw5 mass is launched from 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 an obj+qlugl 89p1vm ect thrown 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 velocity and of the acceleration for the object at the point labeled P on the traje8p9g+ ll mvqu1ctory?

  02.41: A person throws a small object from the top omz02juvr)nah-j,fpk s 4):y d 7d dgr7f a building at an angle of 07 )mupvf-)k: dzdan4 ,7djjrysr hg2$30^{\circ}$ 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 launchedokvhqg(47 3giij4 au/ 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 horizo8th6da kvmj5h 8q gh4h0t0a* bntal 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 ob5k0 08*4thjdv 6 hmhbg ahtaq8ject moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above the horizonto88vpinf:p)e kx * b1wy lewuxv04h:/ al with a speed of 30 m/s . How much time passes before the position of the projec80:in:lo xw4be) e*h1pvvf w/kyp8 uxtile makes an angle of 20° above the horizontal from the original launch point?

  14.40: A small 1.35-gram mass is launccpb0 b 2;z0kqdhf 73)pkx 5qiehed from the top of a cliff at an angle off)ppcx;ez3k0 7 5qq b0b dik2h $15.9^{\circ}$ 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)