If you have two deep-water waves with periods of 5 and 10 seconds, what can you say about their speeds?
a) The speeds are equal.
b) The shorter period wave will have greater speed.
c) The longer period wave will have greater speed.
d) The longer period wave will have more than twice the speed.
e) They are both faster than a wave with a wavelength of 200 meters.
C
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An object is in free fall. At one instant, it travels at a speed of 50 m/s. Exactly 1 s later, its speed is about
A) 25 m/s. B) 50 m/s. C) 55 m/s. D) 60 m/s. E) 100 m/s.
Glacial advances in the past have been accompanied by increased CO2 levels
Indicate whether the statement is true or false
The transfer of heat from one material to another through direct contact is known as:
A convection. B conduction. C evaporation. D radiation.
An area of thunderstorms associated with the Midwestern cold front would be considered a ____________ feature. [INSERT FIGURE 8-3. NO CAPTION]
A) microscale B) mesoscale C) synoptic scale D) global scale