07.14: An object moves to the East across a frictionless surface with constansx,tr0 . 8qpgsvi.y d6t speed. A person then applies a constant force to the North on the o8,.rpyv.gs i0d t qs6xbject. 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 from504hw bkij 8 jg3 bpxpo jh1jj0ml4u03 the same starting location.54i0 ow j00xhgk jj1bb4pjj8hm3pu l3 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 the sazc mp6mmrmv6 n ;: j85ibdd/y/me starting location. Object 1 i6mrvzd 68mm:ydic5bjn / /mp; s 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 horizontag+g*e5wvg g704nib*ck ychp 1lly, directly 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 was the initial speed of t 40i g*g kvgn*+pbcyw1hegc75he arrow?

  03.05: Two arrows are launched at the same , joxf im ydtkj4e5 +0+qp(uz(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 th( (j0dfk5 +ui +m ey,jxtoq4pze same spot on the ground. Which arrow arrives first?

  95.19: A baseball is thrown horizontally from a cliffaeyhwq-qc.io44 jq (6. At the same instant, a bowling ball is dropped from the same height. Assuming air resistance can be ignored, which of the following statementy.h(qwo6 4q -jca e4qis is correct?

  96.08: A ball is rolled off the edge of a horizontal4ixk -2)xgcp52 ves q/p-e psj table. The ball has an initials ppgce)i pj25/ qxke4-s-x2v 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 velocz rv 7jjfoqt92;+k u8mity v and an initial kineticz;v f8k+ 2qjru9mjto7 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 sto3-dklg 0y wpmacu5cj 8yz;31 yrm, 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 through the air1p5jk0wy;da ccu gzly 83y3-m, what will happen to their distance of separation?

  00.38: During a recent winter storm, bafj,uwl)e;(c/3p qehr les 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 negligibl,rc3f l e/qhu jpe)(;we 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 5nu)2eym 7g bu:/vco*d0 yards down field. Neglecting air resistance, which of th m v/uo u)e2y*ngdbc7:e following statements would be INCORRECT when the football reaches its highest point.

  03.10: A ball is thrown into txanoi.avqr. kn-i01 tv28x mdje z+;6he 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 horizontally jd/-+kufp z/ pxa-m7btoward a target 20 m away. In traveling first 5m horizontally, the arrow falls 0.2 m. In traveuapb m7-d-p/xj/k +fzling the next 5 m horizontally it will fall a additional

  06.04: An arrow is shot from a bow attbz(6ct 2t t0d* ulu ;tvgng6 29zr.vw 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 lande9 (. e30rpjrt4 kswta3:cr;jht 4h kxid 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? Ignor3jct09 t rs4i4.;kkw 3:rp(rj ehtx ahe air resistance.

  13.14: A small ball is thro qdv1r7j2 py;l(0 pvv psi:hp.wn 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 spee /fl sm-+psstvx/8m+ md $V$ 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 throwohb cf:l5:v* vce1 ag7n 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 an: lhbaf5 geov*v1 7c:cd of the acceleration for the object at the point labeled P on the trajectory?

  02.41: A person throws a small object fglfx gf;:p1gw p-;)ehrom the top of a building at an angle of f)ghg lw1:fgp x;pe; -$30^{\circ}$ 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 m kxa7d.o6yzo5,tdw. launched from 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 hei ff-4im93zaua ght of 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 ground? Ignore air raf 93u 4fma-ziesistance.

  17.32: A projectile m7 a4bls-2ls mcc-f 0kis launched 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 angle of 20° above the horizontal from 7 mmk0 lcb-sl2 -fcs4athe original launch point?

  14.40: A small 1.35-gram mass is launc-*3un d3d4ra4bcsrf x1o e xvey1/ze, hed from the top of a cliff at an angle off1-dee3obydu1zv 3*4xaenrsc4, x/r $15.9^{\circ}$ 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)