A Spacecraft Is Measured by an Observer on the Ground

question 36

Short Answer

A spacecraft is measured by an observer on the ground to have a length of 53 m as it flies toward the earth with a speed 1.7 × 10⁸ m/s.The spacecraft then lands and its length is again measured by the observer on the ground,this time while the spacecraft is at rest on the launchpad.What result does he now get for the length?

---

Definitions:

Effective Interest Rate

The actual annual interest rate that takes compounding into account, providing a more accurate representation of the cost of borrowing.

Net 25

A payment term indicating that the full payment is due within 25 days from the invoice date.

365-Day Year

A calendar basis used in various financial calculations, assuming the year consists of exactly 365 days for simplifying interest and other time-sensitive computations.

Temporary Working Capital

The additional working capital needed to support fluctuations in business activity during peak periods.