07.14: An object moves to the East across a frictionless suqnuiztns 9-n 3oa06k- rface with constant 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 kq usn-ni93noz0- t6aEastward, partly Northward

  07.15: Two identical mass objects are launch;6lskc *ndk o+dfq-74k+xm hted with the same speed from the same starting location. Object dkd*q6n -okfm ;hl4+ tc7+kxs1 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 speed from the nhy cw j5jg8j.shaa.- )9i,b2xojz+s same starting location. Object 1 is l o)8bcjx-gywsn+2j.i9 ajjh., h5szaaunched 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 horz ue;rz(re)k8izontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air 8e) k;erzur (zresistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the sam75dkhq ih;p+ fe 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 grounh5d +7qip hkf;d. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from jcf(z 2z 6h 8o+*qguxpa cliff. At the same instant, a bowling ball is dropped from the same heighcz+ujq2 h fo8xzp 6(*gt. 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 table. The ball h6sw1pw*lwevhqjuko d64d-w5g )-* bdas an initial sj- w **kl-d5 6qpwu 6gvwhwsbde4d1o)peed $v_0$ 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 velocity v d/;zkiio2y ds4(l p6uand an initial kinetic energyi opu4zdiyks/ 6(;2ld $E_k$. 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 wii5rz :oo8g,.y 9q wjyvnter storm, 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 of hay every two seconds. It is reasonable to assume that air resistance willy8,g o5o w:rqi9vjy. z 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 wb(f 5c/o ijwxld:u sr0e) 5ur7inter storm, 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 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 onc5rdois r0 ):7xub /fweu lj5( the ground?

  01.14: A football is kicked a distance of 50 yards down t u3xpkfh98w9(bp /to field. Neglecting air resistance, wfp ptkotw89 /uxh9(3 bhich of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at ankfi 2p73 8toygowek.+ 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 horizont z 7:u4f(dbb3thehk 6hally toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the ne dhztbfk 4e7:6uh(h3b xt 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a boo m+i/+ bynv:lkx q-jyf-3tg 6w 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 l1ywyh0m1eube gkn ;0v6g.bii( eq.t:aunched from the ground 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 position from which it was launched, what was the launch speed of the projecti( : ik6ety.1;my h.gu0eibe vqn0gbw1le? Ignore air resistance.

  13.14: A small ball is thrown fsag)w kg-fk,i2y3jyu*g4. cat 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 wirat :1pur9jv+ th 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 thrown horizontally from the top 1pyzu/m3)k qzof a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the directqkm y13/)zz upions 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 object frpb.f09 j ,qe0kuk )twzom the top of a building at an angle of z,k0pf0 )9 b.wqkutej $30^{\circ}$ 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 ground at an a3),qjlh p rj9vngle 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 horizontf enh)yh+ f3: df/0c),daao bfal from a height of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what angle belobh0no3 +d hcyd,) af/)fa ef:fw 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 horv h*cvd9f dredwgph6 94 ysr4ew 1/e..izontal with a speed of 30 m/s . How much time passes before the position of the project9vdgs4 cve196 fh.y* hrdrpw.d /wee4ile 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 top of a c*tm mu:cj4f8l7m9 f hbliff at an angle offm8:bh*m mc9fl tju7 4 $15.9^{\circ}$ 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)