180) When a boxer is moving away from i punch, the force experienced is reduced because Aj momentum transfer is reduced. B) the force is less effective. C) the time of confaci is increased. Of all of the above 101) When a vertically falling firecracker bursts, the vector sum of momentum fragments Aj In the vertical direction equals the momentum of the firecracker before bursting Bj in the horizontal direction cancels to aro. G both of these Dj neither of these 1060 Two identical objects in outer space, one moving at 2 mis, the other at i mis, have a head-on collkion and sick together. Their combined speed after the collision is A) 031 mk 905 m/s [Ej inone of the above 1030 When a boxer moves into an oncoming punch, the force experienced is B no different, but the timing is different. C increased. Of all of the sbova (1040 The mass of a ball moving at Jim's with a momentum of 48 kg mis k Aj 12 1g B) 15 log. 0 144 bg [Ej mone of these 105) A hydraulic press has its input piston depressed 20 centimeters while the output piston is raised i Centimeter. A 1-newton input can lift a load off A) WON. BI 10 N. 0 15 N. Ej inone of the above (080 The power expanded doing 100 of work in 50s is Aj 5 000 W. 80 4 W. C) 1/2 W. DJ 50 W. E 2W. 107) After rolling halfway down an incline, a marble's kinetic energy is Aj the same as its potential energy. Bj greater than its potential energy. C less than its potential energy. 108) A golf ball is thrown at and bounces backward from a minsive bowling ball that is initially at rest. After the collision, compared to the golf ball, the bowling ball has more Aj kinetic energy, but less momentum. B) momentum, but less kinetic energy. C momentum and more kinetic energy. Of need more information107) The power required to exert 4-N force over 3 maters in ? secondk ha Aj LAW. BIEW. 9 4W. DEW. Ej none of the above 110) A pair of equal-length vectors atright angleis to each other have a resultant. If the angle batavian The vectors is less than 90", their naultant is Aj the same By greater.. 111) The winner in a tug-of-war everis the greatest force on Aj his or her and of the rope. Bj the opponent C) the ground. 112) A player hits a ball with a bat. If action is the force of the bat against the ball, reaction is the Aj grip of the player's hand against the ball. Bj wright of the ball. G force that the ball exerts on the bat. Dj air resistance on the ball (E) wright of the bat. 113) A karate chop is more effective if one's hand Aj bounces upon impact. Bj follows through upon impact. C extends the time upon impact. 114) Recoil is noticeable if we throw a heavy ball while standing on roller skates. If instead wa go through the motions of throwing the ball but hold onto it, our not recoil will be Aj the same as before. By small, but noticeable. 115) Two identical amoves, one with twice the speed of the other, are fired into a bak of hay. Compared with pandoration of the slow arrow, the finder arrow pancraist A) the same distance. Bj four times as far. C more than four times as far. Dj two times as far. E) one of the above figj Two 2-mis pool balks iroll toward each other and collide. Suppose after bouncing apart each moves at 4 mi's. This collkion violates the conservation of Aj momentum. B) both momentum and energy. C energy Dy none of the above 117) A car traveling at 100 kmin strikes an unfortunate bug and splatters it. The force of impact is Aj the same for both. By greater on the car. C greater on the bug118) The speed of a 4-log ball with a momentum of 12 bg mis is Aj Ink. 9 4mk. Dj 12 mk. Ej inone of the above 119) Which of those is not a form of solar energy? Aj gothamnal energy B fossil fuel energy ( wind margy Dy hydroelectric power 120 When a bower hits a punching bag, the strength of his punch depends on how much force the bag Bj swart on the boxer's fist. C endure