If We Neglect the Effects of Air Resistance,the Impact Speed $\times$

question 19

Multiple Choice

If we neglect the effects of air resistance,the impact speed of a body of mass m released from rest at an altitude of 2 $\times$ 10⁸ m above the surface of Earth (m_e = 5.99 $\times$ 10²⁴ kg,r_e = 6.37 $\times$ 10⁶ m) is

• A)~3.92 \(\times\) 10⁹ m/s
• B)~6.26 \(\times\) 10⁴ m/s
• C)~1.10 \(\times\) 10⁴ m/s
• D)~1.21 \(\times\) 10⁸ m/s
• E)None of these is correct.

---

Definitions:

Theme Layouts

Predefined designs in software applications that determine the appearance of slides, documents, or pages, including colors, fonts, and effects.

Placeholders

Temporary spaces or fields in documents and presentations that are designed to be replaced with specific content such as text or images.

Codec

A device or software that encodes or decodes digital data streams or signals, typically used for compressing and decompressing audio or video.

Digital Media

Content or information shared and consumed through digital devices, encompassing video, audio, and web content.