A 15,000-Kg Train Accelerates Uniformly from 0 to 15 M/s

question 66

Multiple Choice

A 15,000-kg train accelerates uniformly from 0 to 15 m/s when passing through a distance of 150 m.What is its kinetic energy when it is 75 m down the track?

• A)420 kJ
• B)600 kJ
• C)840 kJ
• D)1200 kJ
• E)1700 kJ

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Definitions:

Presynaptic Neurons

Neurons that transmit signals to a synapse, the junction between two nerve cells, to communicate with postsynaptic neurons.

Reception Phase

The initial stage in the process of a stimulus being received by a sensory system and recognized by the brain.

Neurons

Neurons are the fundamental units of the brain and nervous system, responsible for receiving sensory input from the external world, processing that information, and sending commands to muscles.

Sodium Potassium Pump

The sodium-potassium pump is a cellular mechanism that pumps sodium ions out of and potassium ions into cells, essential for maintaining cell membrane potential and proper function.