07.14: An object moves to the East across a frictionless surface with conf osl 9b7sdz61stant speed. A person then applies a constant force to the North on the object. What is the resulting path that the object takes? A. A straight line path partly Eastwar91z fs7s6ldo bd, partly Northward

  07.15: Two identical mass objects are launched with the same mmla bg0. 9wltc* m+.,*vyjusspeed from the same starting location. Object 1 is launched at an angle m* mumj,l*l.bwa yg0+9csvt. 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 obw-eqbw 2 a(n2kjects are launched with the same speed from the same starting location. Object 1 is launched at an angle b(an2w2- wqek 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 cen .; de y3a(ftbc,-dz-2pssokoter of a target 20 m away. The arrow hits 0.050 m below the center of the tatf ;3a- s(epdzkc-ysbo2o. ,drget. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are lah 13:pi hp7q9pby/9yf( cwyqq unched 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 arrow arrives firspi(yhyy /b1w9 :h pq37fqpq 9ct?

  95.19: A baseball is thrown horizontally from a cliff. At the samet5 z7aae , m w84oyrft;ks()jw instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, ;fw)jw(tote ra4 s7kzy8 m,5a which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal table. The ball has an fs livd fthk c1;c(5ss o0;h 1pkc:8+ainitial skc1fh; ts 0as;ol8 :+f 1hc5dv ikps(cpeed $v_0$ 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 yxjb4r+q0 bma(oqx .7g+;ynp upward with an initial velocity v and an initial kinet.byjp 7o+n;x qab 4y qmx+r0(gic 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, balz;l ln t:r0r ,+n624miwdywaves 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 of hay every two4,iz6ymr;2ndwwtn a0r: lvl + 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 storm, bales of hay had to be dropped from ate+zxss8czx x21gj,+ n airplane to a herd of cattle below. Assume the airplane flew horizontalxc8+gx st ej2s,zx +z1ly 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 a1kk a )/bnaw)iwq;;ga distance of 50 yards down field. Neglecting air resistance, which of the following statements would be INCORRECT when t/wnqa;;aa i)kkgb)w 1he football reaches its highest point.

  03.10: A ball is thrown5d.,ew5 yzoe5e09llckyj lu dv t )i2* into the 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 target 20 m away. In xzgx18n lcmf /0n;ff6traveling first 5m horizx8mcfg0xf /f6n1;l zn ontally, 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 bow at anp2uy4jla3z ;kzo6 s5 i 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 horizontal distance0h gthy-q2s)ce 3im 4l9v4wzw 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, whwci2et vlh9g4sy 0 4m3-) zhqwat was the launch speed of the projectile? Ignore air resistance.

  13.14: A small ball n:4n;uyrr,2:phq v8:44 vmvklsm t7 u9o ijqr is thrown 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 maod dw86;k p.xl,y8mufss 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 ob4qd ki) 8tuc9gject 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 8i)du kq4t cg9labeled P on the trajectory?

  02.41: A person throws a small object frf *0gqe0.dwf qtkfqpxd46 + 8fom the top of a building at an angle of gedk8xqf 46+0ffqqp0t* f .wd$30^{\circ}$ 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 l+ hkxv1g5 o 32vhji,muaunched 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 launchc)qag09xrb3str t*/q ed 30° above the horizontal from a height of 10.0 above the*rq)/bq9rcxa 0tt3s g 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 air resistance.

  17.32: A projectile is launched az) :u/axjrsos.(i b 9nt an angle of 40° above the horizontal with a speed of 30 m/s . How much t/9n(.sru o)za:xbj si ime passes before the position 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 from4 c;o p;yo5iik the top of a cliff at an angle of ;4ociyoki;p5$15.9^{\circ}$ 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)