07.14: An object moves to the East acwapcx9 ze5t5+g4 snu;p*kk ;yross a frictionless surface with constant speed. A person then applies acx45nge wak9t z;y* pp5k+u;s 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 the same speed from thfd4eg61osrr f,8o/e 1ps oq1ae same starting location. Object 1 is launched at a qo84se1rad16fs 1o/ rp,ofgen 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 objec7z pxa5vyn-( cts are launched with the same speed from the same styc-x75n ( vpazarting 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 horizontaly*pkzo*k7 ;o oly, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the t*7okypko ;*o zarget. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at tjzhs2sqbh/m r zn7f2gn dj d6()8)a l2he 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 fi hgzrns62sb al7)f(z28 jhmd) 2 djq/nrst?

  95.19: A baseball is thrown horizontally from a cliff. p4d*zfh p2;bkwr tp + ;co38mi)fc/lo At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the followingw 2p fp4f8 3t+c;bkri) mo;hplo/z*cd statements is correct?

  96.08: A ball is rolled off the scblc2: 3kh(w edge of a horizontal table. The ball has an initic kh 23sl:wbc(al 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 with an initial velocit5+n n 8fjujiyf0 8-yuty v and an initial kinetic enerj 85 unffy-0j+uiy8t ngy $E_k$. 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 xs8xw* nec*w- 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. As the bales are falling tnw8cew-x*xs* hrough the air, what will happen to their distance of separation?

  00.38: During a recent winter storm, bpr1q6yv +)b.qruj alj ,7 b6pkales 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 , v.bqjrbk pq)66j7l +yrup1 ahow far apart from each other will the bales land on the ground?

  01.14: A football is kicked a distancp ro8nyz3wl00) +zaxz e of 50 yards down field. Neglecting air resistance, which of thex8r0z 3 +0wpzlao)yzn following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air .5bp*wpr yhosdm/9n 1 8csp: sat 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 hoq gv za7yak;676d*hea rizontally toward a target 20 m away. In traveling first 5m horizondg6 ;h*6v7eza7ka qyatally, 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 an angle of ut18cl2 kr+.kx nk jgq6 ,s,mz$40^{\circ}$ 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 horizzsnk7y i2oj 3:ontal distance of 120.0 m from itszy:o37nik2 sj 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? Ignore air resistance.

  13.14: A small ball innqi (5(y+ z ggdft:e hb05c5js 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 mass is launched from the top of a cliff with sut7r ne o5 2zsro6v0 7wl7,pxqkr sl5+peed $V$ 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 5inw x(m6 e+()fbqr cxtrajectory of an object 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 (+ wexc) m6ix (5qfnbrof the acceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws auwd 7eumy/c y.b,s)( d small object from the top of a building at an angle of du( . s,bc/w)e7myy du$30^{\circ}$ 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 apl ii 5px7:jn56mey)0:ko o yvejs5e2t 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 laj* o9rfhcz m..unched 30° above the horizontal from a height of 10.0 above the ground. If the initial speed of the object is.9rmfz cjoh*. 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 laun p k)faxakd5 ,:7t,jqmched at an angle of 40° above the horizontal with a speed of 30 m/s . How much time passes before the position of the projectile makes an ang7p kk:5jm,aaf)dqt, xle 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 cliff a-zpxqz6t +s*g(gn z l)t an angle ofgs *z )+- nz6tpxqgl(z $15.9^{\circ}$ 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)