The free-fall acceleration on the Mars is 0.376g. Astronauts on the first trip to Mars take along a physical pendulum (a uniform steel bar swings from a pivot at one end with I=1/3 mL²). The steel bar is tailored to have a period of 1.0s on Mars surface at 20°C. Take g = 9.80 m/s² and asteel =1.7x10-5 °C-1 Answer in 5 significant figures (Show your work) What is the length of the steel bar? Answer in 5 significant figures The temperature on Mars surface drop to -153°C at night, what will be the period of the pendulum at night?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The free-fall acceleration on the Mars is 0.376g. Astronauts on the first trip to Mars take along a
physical pendulum (a uniform steel bar swings from a pivot at one end with I=1/3 mL²). The steel
bar is tailored to have a period of 1.0s on Mars surface at 20°C. Take g = 9.80 m/s² and asteel
=1.7x10-5 °C-1
Answer in 5 significant figures (Show your work)
What is the length of the steel bar?
Answer in 5 significant figures
The temperature on Mars surface drop to -153°C at night, what will be the period of the pendulum
at night?
Transcribed Image Text:The free-fall acceleration on the Mars is 0.376g. Astronauts on the first trip to Mars take along a physical pendulum (a uniform steel bar swings from a pivot at one end with I=1/3 mL²). The steel bar is tailored to have a period of 1.0s on Mars surface at 20°C. Take g = 9.80 m/s² and asteel =1.7x10-5 °C-1 Answer in 5 significant figures (Show your work) What is the length of the steel bar? Answer in 5 significant figures The temperature on Mars surface drop to -153°C at night, what will be the period of the pendulum at night?
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