This preview shows page 1. Sign up to view the full content.
Unformatted text preview: The amount of bronze required for the statue is proportional to the volume. Volume scales as length cubed. So the fullscale model will need 125 times more bronze, or 250 kg. 6. The faster runner will overtake the slower one when he is one lap ahead. The distance between the runners thus needs to reach 200 m. The difference in speeds is 0.7 m/s, so the overtake will happen in 200/0.7 = 285.7 s. The runners will have run 1571 and 1771 meters, respectively. 7. Converting to metric units, the takeoff speed is 76.9 m/s and the distance is 92.1 meters. a) The most convenient constantacceleration formula to use here is 2*a*x = v f 2v i 2 . Solving for the acceleration, a = 76.9 2 /184.2 m/s 2 = 32 m/s 2 . Thats 3 gs! b) t = v/a = (76.9/32)s = 2.4 s....
View Full
Document
 Fall '07
 LECLAIR,A
 Work

Click to edit the document details