The SI unit of frequency is ______________
Fill in the blank(s) with correct word
1/s, or s-1, or Hz
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Why did the terrestrial planets lose the majority of the gas in their primary atmospheres?
a. They were too hot and their escape velocities too low to hold onto them. b. The solar wind was too strong and blew these gases off the planets. c. Their high surface temperatures made the gas chemically react with the rock. d. The initial gases were so heavy when the planet differentiated that they sank to the core.
What is meant by the wavelength of light? By its frequency? Explain how they are related to each other
What will be an ideal response?
The coefficient of volume expansion of olive oil is 0.68 × 10-3K-1. A 1-liter glass beaker is filled to the brim with olive oil at room temperature
The beaker is placed on a range and the temperature of the oil and beaker increases by 25 C°. As a result, 0.0167 liters of olive oil spill over the top of the beaker. What is the coefficient of linear expansion of glass? A) 1 × 10-6K-1 B) 4 × 10-6K-1 C) 1 × 10-5K-1 D) 2 × 10-5K-1 E) 3 ×10-5K-1
Suppose you hear a car approaching and its horn is heard as a 3037. Hz tone. After passing, you hear 2430. Hz
(a) What was the Mach number of the car? (b) What is the speed of sound if the outside temperature is 19.°C? (c) How fast was the car moving, in meters per second?