A Spacecraft Is Measured by a Scientist on the Ground $81 \mathrm {~m}$

question 79

Short Answer

A spacecraft is measured by a scientist on the ground to have a length of $81 \mathrm {~m}$ as it flies overhead with a speed $2.4 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$ . The spacecraft then lands and its length is again measured by the scientist at rest on the ground. What result does he now get for the Iength of the spacecraft? $\left( c = 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)$

---

Definitions:

Audience's Response

The reactions or feedback from the listeners or viewers of a presentation, performance, or message.

Indirect Request Pattern

A communication technique where requests or suggestions are made in a less direct and more polite manner, often used to avoid confrontation or to be more socially graceful.

Social Media

Sites and platforms designed for users to produce and share their own content or to be involved in social networking.

Television Advertising

The use of TV commercials to promote products, services, or ideas to a wide audience through visual and auditory messaging.