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Show all equations. Show all work with appropriate units. Box in answer. 19619 sotoro Jasnos ottoloud 4.0 m/s? (3) 13. For how much time should a 10 N force be applied to a 5-kg object to cause its velocity to slow from 7.0 m/s to Smumsmom to alimu oi dointv 14. The "human cannonball" has long been a popular - and extremely dangerous- circus stunt, In order for a 45 kg person to leave the cannon with the fastest speed yet attained, a 1.6 x 103 N force must be exerted on that person for 0.68 s. What is the record speed attained? (3) zi bruorg ordi esline li as levi mutnomnom all .m-SI moil boqqorb al g1 01.0 zesm lled A E 15. A 0.025 kg bullet is fired from a 9 kg gun with a velocity of 663 m/s. What is the recoil velocity of the gun? (3) 16. A 1500 kg car traveling at 30 m/s hits a stationary 1200 kg car. If they lock on collision, what is the final velocity of the two cars? (3) aung> 8.1 .b almgall.I .o alg/ ST.o.d elmng/ d8.0 or17. An 1Irkg steel ball, traveling left to right at 12 m/s, undergoes a totally elastic collision with a 5 kg steel ball at rest. To the nearest Joule, what is the Total Kinetic Energy of the two balls after collision? (3) sbolingam 90101 ogg79V6 1918978 9di 290919qx5 Mound sHT 18. A 2000-kg car moving 10 m/s rear ends a 4000 kg truck initially at rest. Their bumpers lock and they wreck moves off together. What is the final momentum of the car-truck wreck? noqxs Joint bris 1so edT aword Jon 916 20idioolov bris 29zest ardi sonia llot of oldizzoqmi ai fI 19. A 1500-kg car rear ends a 4000 kg truck initially at rest. If the bumpers lock and they wreck moves off together at 2 m/s, what was the initial velocity of the car? vletsmixonqqs ed lliw noizifloo off Tofe lind doked 20. You are standing on a log and a friend is trying to knock you off. He throws the ball at you. You can catch it, or you can let it bounce off of you. Which is more likely to topple you, catching the ball or letting it bounce off? Why? Explain. irigh elm 00.E. am res d