07.14: An object moves to. ive 8-zwmpg6o pc4l.8sg; on the East across a frictionless surface 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 strai4p86ve oomc. ng.i8;wz - lpgsght line path partly Eastward, partly Northward

  07.15: Two identical mass objects ag;wu*pr;dou hz00+cishk8 p( 6 r) 8k6kliriv re launched with the same speed from the same starticp86riikhikz owd6hgk 0u ;* r(vsp+0)u8; lrng 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 returns to the starting height with the greatest speed?

  07.16: Two identical mass objects are launched with the same speed from nd+q)65g ut)c bvf1zzrjgfuw(qki.*s5a/l ( the same starfua 6gq.v dbw1fl/* 5 +it z)rcnq5( ju)z(kgsting 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, dimd,qr 1zj,7jt5neril 91k mq.rectly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what 5.d q,z mkq1i mlrrnj71j t,e9was the initial speed of the arrow?

  03.05: Two arrows are launched at th) v.x) wl+cn0tqsz(k7 f0ekm.r ,icque 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 saic l0 k.nvkse t)zrfw)0u(cqm7q,.x+ me spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontal7jximf88)s ;0 apt gdwwk4,zv ly from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming8mi4 t,az) swj7fpw8g d0xvk; air resistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off tyj(ct1;1bhp bhe edge of a horizontal table. The ball has an initial speed j 1t ;y(1bbcph$v_0$ 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 ve iz2rv79,g/h c a-wc)kkin*lmlocity v and an initial kinetic ekkiw*cr-,a )7cm/ nz9l i2 hgvnergy $E_k$. 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 fx6qmzlg* jro- ,m47 5xzscn7e rom an airplane to a herd of cattle below. Assume the airplane flew horizontally at an zj7x- 7m gz5,xq nr6mlces4o* 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, bales of hay had to be dropped from an o uttsa/ ao*3: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 on the ground o3a:t*/ots au?

  01.14: A football is kicked a distance of 50 yards down field. Nej-.irt vg5:)x + hzujtglecting air resistance, whijhrtvx+gi5z-u .:j) tch of the following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into thezkykierve90n9fx huk4g516 m kq6+ 6v 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 horizontal+9k;0f. tr k)zg :mty1jvkgtxly toward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it wigrmvtkj;y tfxzk1) t9g: 0 +k.ll fall a additional

  06.04: An arrow is shot from a bow at+jnqrdpc os7i*/uplrr.j5 9 5,qu r)m 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 landed a horizonco2y-ucwn, /ypo;wi) tal distance of 120.0 m from its launch point. The projectily); n,up owiyco/2c- we 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 is i/acj a5o 9h8cthrown 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 clif9jg8jxpb. 3s yf 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 trvkweqcx tk*0 r67dmk 7o19/ fsajectory of an object thrown horizontally from the top of a building is shown as the d c71v9/xsqwkokem7d* 0t 6fk rashed 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 trajectory?

  02.41: A person throws a small object from the top of a buildim ;( 3ypu8vjdn 2d iwa2a6zb/ang at an angle of a(j2uv8pbnwy m 3 ;daa/zi6d2$30^{\circ}$ 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 gf/42;*u gz wo5mcqupa round 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 height p w)4z hx6+67 asbr1ws7gf .b*khdomoof 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 object moving when it reaches the grorgo7m1fbahpko b7.wh xd4 w6z 6 +*)ssund? Ignore air resistance.

  17.32: A projectile is launched at an angle of 40° above the horizontal4clg p0h,rk.h,a o i1c )lm0ce with a speed of 30 m/s . How much time passes before the position of the projectile makes an angle of 20° above the horizontal from the original launch point?,i1 0.04hpkclo ma cl ,er)chg

  14.40: A small 1.35-gram mlbvn.unv6t7( 3lsin+ass is launched from the top of a cliff at an angle ofllbn(n36vs+t.7nu iv $15.9^{\circ}$ 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)