For the velocity-time graph shown, which statement describes what happens to the velocity between approximately 24 s and 25 s? A) The lander's velocity increases away from the reference. B) The lander's velocity decreases toward the reference. C) The lander's velocity decreases away from the reference. D)The lander's velocity increases toward the reference.
For the velocity-time graph shown, which statement describes what happens to the velocity between approximately 24 s and 25 s? A) The lander's velocity increases away from the reference. B) The lander's velocity decreases toward the reference. C) The lander's velocity decreases away from the reference. D)The lander's velocity increases toward the reference.
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
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For the velocity-time graph shown, which statement describes what happens to the velocity between approximately 24 s and 25 s?
A) The lander's velocity increases away from the reference.
B) The lander's velocity decreases toward the reference.
C) The lander's velocity decreases away from the reference.
D)The lander's velocity increases toward the reference.
Transcribed Image Text:**Lunar Landing Powered Descent: Velocity-Time Graph**
This graph represents the velocity-time relationship during a powered descent of a lunar landing. It displays changes in average velocity (m/s) over time (s).
**Graph Details:**
- **X-Axis (Time in seconds):** Ranges from 0 to 25 seconds.
- **Y-Axis (Average Velocity in m/s):** Ranges from -40 to 0 m/s.
- **Data Points:**
- From 0 to 10 seconds, there is a steep increase in average velocity, reaching 0 m/s.
- Between 10 seconds and 20 seconds, the velocity decreases steadily to around -10 m/s.
- From 20 seconds to 25 seconds, the velocity slightly decreases further, approaching -20 m/s.
The graph highlights phases of acceleration and deceleration, which are critical during the lunar module's landing procedure to manage descent speed safely.
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