If a K⁰ Meson at Rest Decays in 0

question 12

Multiple Choice

If a K⁰ meson at rest decays in 0.89 × 10−¹⁰ s, how far will a K⁰ meson moving at 0.96 c travel through a bubble chamber?

• A) 17 cm
• B) 1.1 cm
• C) 53 cm
• D) 42 mm
• E) 9.2 cm

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Definitions:

Complete Defense

A legal defense that, if proven, absolves the defendant of all liability in a lawsuit.

Comparative Negligence

A theory in tort law under which the liability for injuries resulting from negligent acts is shared by all persons who were guilty of negligence, including the injured party, on the basis of each person’s proportionate carelessness.

"50 Percent" Rule

A principle in insurance, especially in regards to total loss claims, stipulating that if the cost of repairing an item exceeds 50% of its value, it is considered a total loss.

Assumption Of Risk

Voluntarily taking on a known risk. A defense against negligence that can be used when the plaintiff had knowledge of and appreciated a danger and voluntarily exposed himself or herself to the danger.