ch 16 physics - Homework Problem Chapter 16 2. How many...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Homework Problem Chapter 16 2. How many electrons make up a charge of μC?  $! Solution: a b ˆ  $! ‚ "! o "Þ)( ‚ "! ' "% " "Þ'!#‚"! C electrons "* C ---------------------------------------------------------------------------------------------- 9. What is the total charge of all the electrons in 1.0 kg of H O? # Solution: 8 o o 7 R R . E 8  796/=ß 7  7+== 38 ß  796+< 7+==ß g . R  E@91+.<9 = 8?7,/<ß R  8?7,/< 90 :+<>3-6/= E w 7 o "!!! o #  "' o ") R o 'Þ!# ‚ "! g . E #$ Ê R o o o $Þ$% ‚ "! 7R "!!! 'Þ!#‚"! ") E #$ . a ba b g water molecules each molecule has electrons #  ) # of electrons o "! $Þ$% ‚ "! a b #& ----------------------------------------------------------------------------------------------
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
13. Three positive particles of equal charge, +11.0 μC, are located at the corners of an equilateral triangle of side 15.0 cm. Calculate the magnitude and direction of the net force on each particle. Solution: y y x x y x F 31 F 13 F 21 F 12 F 32 F 23 Q 3 Q 1 Q 2 a lJ l o lJ l o lJ l o lJ l o lJ l o lJ l o J "# #" "$ $" #$ $# J o 5 o o * ‚ "! o %)Þ% U + * ""‚"! # # # # ' # # Š Nm C C m a b a b N Charge : U J o J  J Ä Ä Ä " " #" $" ° ° ° ° ° B -97:98/8> C  -97:98/8> J J '! J '! J  J '! J '! J ! #J '! #" $" "8/> cos sin cos sin sin a b a b a b a b a b N ° N J o # %)Þ% '! o )$Þ) :938>= +6981  C " a b a b sin Charge U À J o J  J Ä Ä Ä # # "# $#
Background image of page 2
° ° ° ° B -97:98/8> C  -97:98/8> J  J '!  J '! J
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/25/2010 for the course PHYS 302L taught by Professor Tsoi during the Spring '10 term at University of Texas at Austin.

Page1 / 6

ch 16 physics - Homework Problem Chapter 16 2. How many...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online