P 021wi two bl ocks each of mass m 292 kg ar e f

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

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: bl ocks each of mass m = 2.92 kg ar e f astened to the top of an el evator as i n the f i gur e. (a) If the el evator has an upwar d accel er ati on a = 1.60 m/s2, f i nd the tensi ons T1 and T2 i n the upper and l ower str i ngs. T1 = 66.576 N T2 = 33.288 N (b) If the str i ngs can wi thstand a maxi mum tensi on of 87.0 N, what maxi mum accel er ati on can the el evator have bef or e the upper str i ng br eaks? m /s 2 5.097 www.we ba ssign.ne t/we b/Stude nt/Assignme nt- Re sponse s/la st? de p= 5921154 2/5 5/30/13 HW 7 4. 0/2 points | P re v ious A nswe rs S e rCP 9 4.P .050. A car i s tr avel i ng at 49.0 km/h on a f l at hi ghway. (a) If the coef f i ci ent of f r i cti on between r oad and ti r es on a r ai ny day i s 0.100, what i s the mi ni mum di stance i n whi ch the car wi l l stop? 61.73 Your r esponse di f f er s f r om the cor r ect answer by mor e than 10%. Doubl e check your cal cul ati ons. m (b) What i s the stoppi ng di stance when the sur f ace i s dr y and the coef f i ci ent of f r i cti on i s 0.600? 10.29 Your r esponse di f f er s f r om the cor r ect a...
View Full Document

Ask a homework question - tutors are online