{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

ch10_solutions - CHAPTER 10 10.1 A/C temperature Automobile...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
10-316 CHAPTER 10 10.1 A/C temperature Automobile coolant temperature gasoline level oil pressure sound intensity inside temperature Battery charge level Battery voltage Fluid level Computer display hue contrast brightness Electrical variables voltage amplitude voltage phase current amplitude current phase power power factor spectrum Fan speed Humidity Lawn mower speed Light intensity Oven temperature Refrigerator temperature Sewing machine speed Stereo volume Stove temperature Time TV picture brightness TV sound level Wind velocity 10.2 ( a ) 20 log (125) = 41.9 dB | 20 log (50) = 34.0 dB | 20 log (50000) = 94.0 dB 20 log(100000) =100 dB | 20 log(0.85) = - 1.41 dB ( b ) 20 log (600) = 55.6 dB | 20 log (3000) = 69.5 dB | 20 log (10 6 ) = 120 dB 20 log(200000) =106 dB | 20 log(0.95) = - 0.446 dB ( c ) 10 log (2x10 9 ) = 93.0 dB | 10 log (4x10 5 ) = 56.0 dB 10 log (6x10 8 ) = 87.8 dB | 10 log(10 10 ) =100 dB 10.3 -4 -2 0 2 4 0 0.5 1 1.5 2 2.5 3 3.5 4 x10 -3 v S v O
Background image of page 1

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

View Full Document Right Arrow Icon