In the Absence of Air Resistance,the Least Speed with Which $\times$

question 4

Multiple Choice

In the absence of air resistance,the least speed with which a body must be projected vertically upward from Earth's surface (m_e = 5.99 $\times$ 10²⁴ kg, r_e = 6.37 $\times$ 10⁶ m) if it is to reach an altitude of 800 km is

• A)~1.39 \(\times\) 10⁷ m/s
• B)~3.73 \(\times\) 10³ m/s
• C)~1.57 \(\times\) 10⁷ m/s
• D)~3.96 \(\times\) 10³ m/s
• E)None of these is correct.

---

Definitions:

Total Return

A comprehensive measure of investment performance that includes both capital appreciation and income (such as dividends or interest) received over a specific period.

Dividend Payments

Dividend payments refer to the distribution of a portion of a company's earnings to its shareholders, usually in cash or additional stock.

Total Dollar Return

The total gain or loss on an investment over a specified time period, represented in dollars, including both capital gains and dividends or interest.

Shares

Shares that represent units of ownership in a company or an investment.