4.) The boarding ramp for a roller coaster is located 15m above the ground. The cars...
A roller coaster designer wants to know what the speed of the cars will be at each point on the ride so that structural supports can be constructed accordingly. The heights of the ride are given such that the initial height is h = 135m , point A is 40.5m , point B is 60.8m , point C is 79.7m , and point D is 0 m (each height given above the ground level). (Figure 1) Figure 1: http://tinypic.com/view.php?pic=303hjq9&s=8#.U-R-FlZbTwI Sorry...
c) 353 J 13. A 200 kg roller coaster starts from 50 m above the ground. (a) 5 It falls toward the ground with out any friction then once it ((c) reaches the ground level, the brakes are applied over 30 m 19. A in order to bring the coaster to a complete stop. How much ms-1 work is done by the brakes? 20 N (a) 10 x10 J (c)-10 x10 J 14. A 7 kg ball is dropped from...