By how many decibels does the intensity level of a sound increase when you triple the intensity of a source of sound?

A) 12 dB B) 3.0 dB C) 4.8 dB D) 6.0 dB E) 9.5 dB


C

Physics & Space Science

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When Earth overtakes Mars, the outer planet retrogrades near ________

Fill in the blank(s) with correct word

Physics & Space Science

The slope of a velocity vs. time graph is the

a. distance. b. velocity. c. acceleration. d. none of the above

Physics & Space Science

The coefficient of linear expansion of aluminum is 24 × 10-6K-1 and the coefficient of volume expansion of olive oil is 0.68 × 10-3K-1

A novice cook, in preparation for deep-frying some potatoes fills a 1.00-liter aluminum pot to the brim and heats the oil and the pot from an initial temperature of 15°C to 190°C. To his consternation some olive oil spills over the top. How much? A) 0.11 liters B) 0.12 liters C) 0.13 liters D) 0.14 liters E) 0.15 liters

Physics & Space Science

Which is a characteristic of Jovian planets when compared to Terrestrial planets?

a. Jovian planets are much larger than Terrestrial planets b. Jovian planets have rocky surfaces c. Jovian planets have no differentiation like Terrestrial planets d. Jovian planets have moons, unlike the Terrestrial planets e. Jovian planets have warmer atmospheres than Terrestrial planets.

Physics & Space Science