A 10-Kg Block and a 2

question 1

Multiple Choice

A 1.0-kg block and a 2.0-kg block are pressed together on a horizontal frictionless surface with a compressed very light spring between them.They are not attached to the spring.After they are released and have both moved free of the spring

• A) the lighter block will have more kinetic energy than the heavier block.
• B) the heavier block will have more kinetic energy than the lighter block.
• C) both blocks will both have the same amount of kinetic energy.
• D) both blocks will have equal speeds.
• E) the magnitude of the momentum of the heavier block will be greater than the magnitude of the momentum of the lighter block.

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Definitions:

Condenser

A device used to condense gas into a liquid by cooling it.

Nosepiece

Part of a microscope or other optical instrument where the selection of lenses occurs, also known as a turret.

Wet-Mount

A simple microscopic slide preparation technique where a drop of liquid sample is placed between a slide and a cover slip.

Coarse Adjustment Knob

Part of a microscope used for making the initial, rough focusing of the lens on the specimen.