How Much Energy Is Needed to Change the Speed of a 1600

question 29

Multiple Choice

How much energy is needed to change the speed of a 1600 kg sport utility vehicle from 15.0 m/s to 40.0 m/s?

• A) 1.10 MJ
• B) 10.0 kJ
• C) 20.0 kJ
• D) 40.0 kJ
• E) 0.960 MJ

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Definitions:

Cochlear Duct

A fluid-filled spiral tunnel in the inner ear and a key component of the cochlea, responsible for sound perception.

Scala Vestibuli

A perilymph-filled cavity inside the cochlea of the inner ear, which sits above the scala media and leads from the oval window to the helicotrema at the apex of the cochlea.

Bony Labyrinth

A complex system of channels and cavities within the temporal bone of the skull, involved in hearing and balance.

Tympanic Membrane

Also known as the eardrum, this thin membrane vibrates in response to sound waves and transmits these vibrations to the bones of the middle ear.