A Sonar Generator on a Ship Produces a Sound Wave

question 18

Multiple Choice

A sonar generator on a ship produces a sound wave with a frequency of 2.45 MHz and a wavelength of 5.9 * 10^-4 m.The generator is pointed straight down and emits a pulse.The echo of this pulse is received 5.08 s later.How deep is the ocean at this point?

• A)34.5 m
• B)121 m
• C)3670 m
• D)8810 m
• E)51,200 m

Gain knowledge on how mechanical advantage applies in practical scenarios with various mechanical components.

Understand the transformation of motion types by mechanical components.

Grasp basic calculation and comparison techniques in gear mechanical advantage.

Understand the concept and causes of mutations, including induced mutations and mutagenic agents.

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Definitions:

Shifts

Refers to changes in the position of demand or supply curves in economic models, often due to changes in external factors such as technology, preferences, or policy.

Demand Curve

A graphical representation showing the relationship between the price of a good or service and the quantity of that good or service that consumers are willing and able to purchase at various prices.

Price of Substitutes

The cost of alternative goods or services that consumers can purchase instead of the original item, influencing consumer choices and demand.

Supply Curve

represents the relationship between the price of a good or service and the quantity of it that suppliers are willing to produce and sell at that price.