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The chart shows the speeds at which four objects are launched into the air.

\begin{tabular}{|l|l|}
\hline \multicolumn{1}{|c|}{ Object } & Speed [tex]$( m/s )$[/tex] \\
\hline [tex]$W$[/tex] & 6799 \\
\hline [tex]$X$[/tex] & 3562 \\
\hline [tex]$Y$[/tex] & 8105 \\
\hline [tex]$Z$[/tex] & 9324 \\
\hline
\end{tabular}

Based only on the information in the chart, which objects will most likely go into orbit around Earth?

A. [tex]$W$[/tex] and [tex]$Y$[/tex]
B. [tex]$X$[/tex] and [tex]$Y$[/tex]
C. [tex]$Y$[/tex] and [tex]$Z$[/tex]
D. [tex]$W$[/tex] and [tex]$Z$[/tex]

Sagot :

GinnyAnsweridn
To determine which objects will likely go into orbit around Earth, we need to compare the given speeds of the objects with the minimum speed required to enter Earth's orbit. The minimum speed required for an object to enter Earth's orbit is approximately 7800 meters per second (m/s).

Let's examine the speeds of each object and see how they compare to this requirement:

- Speed of object W: 6799 m/s (which is less than 7800 m/s)
- Speed of object X: 3562 m/s (which is less than 7800 m/s)
- Speed of object Y: 8105 m/s (which is greater than 7800 m/s)
- Speed of object Z: 9324 m/s (which is greater than 7800 m/s)

Based on this information:
- Object W will not reach the necessary speed to enter orbit (6799 m/s < 7800 m/s).
- Object X will not reach the necessary speed to enter orbit (3562 m/s < 7800 m/s).
- Object Y will reach the necessary speed to enter orbit (8105 m/s > 7800 m/s).
- Object Z will reach the necessary speed to enter orbit (9324 m/s > 7800 m/s).

Thus, the objects that will most likely go into orbit around Earth are Y and Z.

Therefore, the correct answer is:
[tex]$Y$[/tex] and [tex]$Z$[/tex]
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