1_ch 01 Mechanical Design budynas_SM_ch01

1_ch 01 Mechanical Design budynas_SM_ch01 - ← 22.21...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 1 Problems 1-1 through 1-4 are for student research. 1-5 (a) Point vehicles Q = cars hour = v x = 42 . 1 v v 2 0 . 324 Seek stationary point maximum dQ d v = 0 = 42 . 1 2 v 0 . 324 v * = 21 . 05 mph Q * = 42 . 1(21 . 05) 21 . 05 2 0 . 324 = 1368 cars/h Ans . (b) Q = v x + l = µ 0 . 324 v (42 . 1) v 2 + l v 1 Maximize Q with l = 10 / 5280 mi v Q 22.18 1221.431 22.19 1221.433 22.20 1221.435
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ← 22.21 1221.435 22.22 1221.434 % loss of throughput = 1368 − 1221 1221 = 12% Ans. (c) % increase in speed 22 . 2 − 21 . 05 21 . 05 = 5 . 5% Modest change in optimal speed Ans. x l 2 l 2 v x v...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online