07.14: An object movesb(l/ ye8ukm2)ewoka/sie jo82 )h,dh to the East across a frictionless surface with constant speed. A person then applies a consl )/oeohi2y8 ,se (w2 ke8juk/mhabd )tant 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 . ou 4e wup9wn:dxlsq 8c(m n)dtb/9 7pa78wevfrom the same starting location. Object 1:d9bslx.wn 8 mn7pvwu/ 97qo) 8 pweeud 4at(c 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 arekkpdet ,kl2*1 launched with the same speed from the same starting location. Object 1 is launched at an ang*kp12tkeldk , le 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, direct alv(h0bju3+ rly at the center of a target 20 m away. The arrow hits 0.050 m below the center of j ulrva(b+h 30the target. Neglecting air resistance, what was the initial speed of the arrow?

  03.05: Two arrows are launched at the same time with the same spem.j7w qwj,s9 /sv4z)w v6ydru /l2 dh7kr7vwped. A at an angle greater than 45 degrees, and arrow B at an angle less than 45 degrees. Brvjd/ lv,)7wr pu 9w7 /z2sd4m .h qwkwyv7s6joth land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horp0idl2o q 9s5 291fee:glwq xz+v vd1kizontally from a cliff. At the same instant, a bowling ball is dropped from the same heigvwqdvl 01ol295: e9zf p xi+kqgs21de ht. 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 has ah jn3-,b 0brgbj8nr v*n initial speed b j*8jhv- r3g0nrbbn, $v_0$ 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 vert bmvu/1hk4l fx)d9wrzfl1as/:pq- 6yically upward with an initial velocity v and an initialwh41 /psrx: l/f9d)b6yf -ukavm zql1 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 of hay had to be dr214t3nhgl - f jd8)tgqkqtblt-ya*95obq3 ecopped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at anga- k q4t8tlt12-b39d*bhl3ny f g )qoce5jtq 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 through the air, what will happen to their distance of separation?

  00.38: During a recent winter storm, bal e:5wjr zmb-wa4s0qo3 es 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 second5 rowab 0mw4q3:-zsj es. 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 do6q/f,a thfw0o wn field. Neglecting air resistoa ,t0h/ff6qw ance, which of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into the air at f6;oq b9n /a.2z;gu f(oe0;ulyyitzuan 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,wybtu ri .f5squ s,f0;/d1bu horizontally toward a target 20 m away. In traveling first 5m horizontally, the arrow fall uf1wutru5/.0 q,,dyifbssb; s 0.2 m. In traveling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a b k38 )vlkui4mnm am9e2ow 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 lande. z9(kq cjkyl/n3p 1dud 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? Ignore air resistanc9klkdzc(/y3qu 1 j.np e.

  13.14: A small ball is thrown at an aiq-tp1tx h.hik;) 0phngle 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 +bya3qn;j1w:z3(b xkd8 hku f 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 object thhr/3dhr (my4: wx-dv enuwo- +rown horizontally from the top of a building is shown as the dashed line in the figure. Whi/xw+-v d-: yh3muewd(r nor4hch 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 object from the top of a /:rsp2jz ku;o building at an angle of j/:;pz ro2ksu$30^{\circ}$ 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 eve2 ,fxn9rm9from 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 horizontal from a heightl x*n4j9s g 30ll1tayq of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what angle below the hornyxlqg s4 0*t913lljaizontal is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° a6qi d0ie.yd5nt 30monbove the horizontal with a speed of 30 m/s . How mniq05d3oy 6.md tein 0uch time 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 from the top of ab0yt(dd(a) pnt o lkuixs u n8n59oj+/cv3;b. cliff at an angle of dk otn0u (/s8c y+bant9l 5.onuxi;p)(vdb j3$15.9^{\circ}$ 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)