Examlex
A certain unstable particle has a mean lifetime of 1.52 × 10-6 s.This is the time interval between its creation in a nuclear process and its extinction into decay products,as measured in a frame of reference at rest with respect to the particle.An average such particle is observed by a scientist on Earth to travel 342 m in its lifetime.What is the speed of the particle relative to Earth? (c = 3.00 × 108 m/s)
Parent Company
A company that holds a controlling interest in one or more subsidiaries, exerting control and influence over their operations.
Subsidiary Company
A company that is completely or partially owned and wholly controlled by another company, which is referred to as the parent company.
Cost Method
An accounting method for investments where the investment is recorded at the purchase cost, without recognizing subsequent changes in market value.
Semiannual Receipt
Payments or incomes that are received twice a year.
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