A 400 Kg Object Is Moving at 3

question 20

Multiple Choice

A 4.00 kg object is moving at 3.00 m/s WEST. It catches up to and strikes a 6.00 kg that is moving WEST at 2.00 m/s. The objects undergo an elastic collision in the EAST-WEST direction. The velocity of the 4.00 kg object after the collision is

• A) 1.00 m/s WEST.
• B) 2.80 m/s EAST.
• C) 1.80 m/s WEST.
• D) 2.80 m/s WEST.
• E) 1.80 m/s EAST.

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Definitions:

Pleasure Centre

An area of the brain, such as the nucleus accumbens, that is associated with the sensation of pleasure in response to certain stimuli.

Hypothalamus

A region of the brain that regulates bodily functions, including hunger, thirst, temperature, and the sleep-wake cycle.

Brainstem

The part of the brain connecting the spinal cord to the forebrain and cerebrum, responsible for basic life functions such as breathing and heart rate.

Thalamus

A brain structure that acts as a relay station, processing and transmitting information from the senses to appropriate areas of the brain.