# Need algebra help with The return stroke of a bolt of lighting

Dec 24th, 2015
Sigchi4life
Category:
Algebra
Price: \$5 USD

Question description

The return stroke of a bolt of  lighting can travel at a speed of 87,000 miles per second.[Almost half the speed of light.] At this speed,how many times can an object travel around the World in one.[see exercise 52]

52) Find how much rope is needed to wrap around the earth at the equator, if the radius of the earth is 4,000 miles. [hint:use 3.14 for π and the formula for circumference.]

C=2 πr

C=2 π4,000

C=8,000 π

C=25,120

(Top Tutor) Daniel C.
(997)
School: Duke University

Studypool has helped 1,244,100 students

## 8 Reviews

Summary
Quality
Communication
On Time
Value
darnay
Dec 1st, 2016
" The best tutor out there!!!! "
dontuwannaknow
Nov 22nd, 2016
" Excellent work as always thanks so much "
SjSurvivor143
Nov 8th, 2016
" Thanks for the help. "
ddg82
Oct 30th, 2016
" Thanks, good work "
tinytim47
Oct 17th, 2016
" Wow this is really good.... didn't expect it. Sweet!!!! "
jestin7
Oct 8th, 2016
" This tutor is great! "
mixedballz
Oct 3rd, 2016
" excellent work as always thanks for the help "
lilmoe415
Sep 24th, 2016
" Thank you, Thank you, for top quality work, this is your guy!! "

1825 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors