07.14: An object moves to the East across a frictionles q zu8mu:4pb5bs 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 straight b8zub5 u:qp4mline path partly Eastward, partly Northward

  07.15: Two identical mass objec neuambbbz/4 pamanj(*w e / 5tu.+: opzob8;-ts are launched with the same speed from the same startinu;n :mazp eb.nzap o/j+4-5t8abmw*/eobub ( g 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 launche22k;* ehiu;vj2ct e gud with the same speed from the same starting lt222e evu; *kj;cui hgocation. 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, directly at the center of a target 20 m 0tum u n0d1c2lo4.na mw+b7xfaway. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of 7 ub.20 nn mxm+lf4taw ocu10dthe arrow?

  03.05: Two arrows are launched at the.3oumnjrku( d44y :ld same time with the same speed. A at an angle greater than 45 degrees, and arrow B at m4lduj:k3 ru(y4o n.dan angle less than 45 degrees. Both land at the same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown homh 0qh1h0x2kaf e/ dudhm5k3+3(rslmrizontally from a cliff. At the same instant, a bowling ball is dropped from the same height. Assuming air reem/3 +l0dusr2kmxh ak3h q5m1h0 f(hdsistance can be ignored, which of the following statements is correct?

  96.08: A ball is rolled off the edge of a horizontal tabx h0v*c d q;e9g3m5nnc /fq)tnle. The ball has an initia0*;qch3gqn)nn9/ df 5tvecxml 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 vez s.w,c;rdrp cn(ryt2y1t 6k4locity v and an initial 6rwrs4ny ,p zdtrk;cy2 tc1. (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 rece *q u4vkecddf-1o 6(l4p5nlul 9zux-6ihtt+ont winter 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 andtd 4 iuufo lql u*(+ol9p-t 6k ev451dznhcx-6 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 st:w0mo/tml arki g 3k;d/.a,3ck;esr dorm, 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 droppa ik;mo/demkd.k, rsr3cg:w03/;lta ed 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 a distance of 50 ya w3 v,jkqgo91:u(r1-qoasfqkrds down field. Neglecting air resistance, which of the following statements would be INCORRECT when the foj 9uavs-qo 1w q1g,3qf(kk o:rotball reaches its highest point.

  03.10: A ball is thrown into the air at ngvpnev187 y1an 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 as0kpfxjuyts jxa23c)8 ; od5: way. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally it will fall s2c: a8x)yxdu j;s35kjf otp0a additional

  06.04: An arrow is shot from a bow at an angle oru.nm9mm21q(.w vl,yx4 e zpkf $40^{\circ}$ 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 groundr)k3 ari-ze-t 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 projec3ak terizr--) tile 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 throwkfk6v rpy:( q,4 ga(b)n58dcbe 2mhki n 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 launchlpczm,t l 5iqh48f(i5ed 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 o dfvp fhdlx,e-/*9,wk / x n(zh+woi*bbject thrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets of a+ fw b(,x/folnhi e/-*x*,dh9wvzpkd rrows 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 building at an anga1 db8aplvoo vnd3*iq3-k2 n fq,x8,yle of qn8adq183*anv,f,o2pd3 i- l k vybxo$30^{\circ}$ 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 4 vl 9ga2fc+nmthe 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 hore i8 w31.gji:b1s cgyrgy77x bizontal from a height of 10.0 above the ground. If the initial speed of the object is 15.0 m/s, at what 7c8x7igw :31g1.eysj ryg bibangle below the horizontal is the object moving when it reaches the ground? Ignore air resistance.

  17.32: A projectile e0 fony,dgvna t h e5.sv48q((is launched at an angle of 40° above the horizontal with a speed of 30 m/s ant( 0fv h5(s ney.q v8dog4e,. How much 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 mas5v1(z atnk)kts is launched from the top of a cliff at an angle of n(k ttkav z5)1$15.9^{\circ}$ 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)