problem21_30

University Physics with Modern Physics with Mastering Physics (11th Edition)

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

View Full Document Right Arrow Icon
21.30: a) The electric field of the Earth points toward the ground, so a NEGATIVE charge will hover above the surface. C. 92 . 3 C N 150 ) s m 8 . 9 ( kg) 0 . 60 ( 2 - = - = = q qE mg b) N. 10 38 . 1 m)
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 00 . 100 ( C) 92 . 3 ( 4 1 4 1 7 2 2 2 2 = = = r q F The magnitude of the charge is too great for practical use....
View Full Document

Ask a homework question - tutors are online