961_Physics ProblemsTechnical Physics

961_Physics ProblemsTechnical Physics - 302 * P34.32...

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

View Full Document Right Arrow Icon
302 Electromagnetic Waves P34.32 The radiation pressure on the disk is P S c I c F A F r === = π 2 . Then F rI c = 2 . Take torques about the hinge: τ = 0 HHm g r r c xy 00 0 2 af +− + = sin θ == × F H G I K J ° −− sin sin . sin . . 1 2 1 2 7 1 04 10 1 1 00712 409 mgc m W s s 0.024 kg m 9.8 m 3 10 m kg m W s 2 28 2 3 bg ej mg PA H x H y r FIG. P34.32 Section 34.5 Production of Electromagnetic Waves by an Antenna P34.33 λ c f 536 m so h 4 134 m c f 188 m so h 4 46 9 . m P34.34 P = V R 2 or ∝∆ V 2 ∆∆ VE y E yy =− = ⋅ a f A cos V cos so cos
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

Ask a homework question - tutors are online