The Kinetic Energy of a 1000 Kg Truck Traveling at 20

question 21

Multiple Choice

The kinetic energy of a 1000 kg truck traveling at 20 m s^-1 is equal to which of the following?

• A) 400 000 J
• B) 200 J
• C) 2000 J
• D) 10 000 J
• E) 200 000 J

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Definitions:

Mitochondria

Organelles within a cell that generate most of the chemical energy needed to power the cell's biochemical reactions.

Axon Hillock

Juncture of soma and axon.

Otto Loewi

A pharmacologist and psychobiologist who discovered the first neurotransmitter and won the Nobel Prize in Physiology or Medicine in 1936.

Chemical Messages

Signals transmitted between cells or organisms through the release and receipt of chemical compounds.