Wood, plastic, rubber and air are good insulators because they don’t have free electrons.
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It takes 2 years of graduate study in a subfeild, practicum experience, and a thesis.
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Answer:
Explanation:
The sense of weightlessness in orbiting satellite is because of the lack of any contact-forces. ... Thus, both the astronaut and the satellite have the same value of g, which is again equal to the centripetal acceleration of the satellite. These two neutralize each other, causing everything to appear weightless.
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The two objects perform the same task of measuring time and they are hourglass and sundial.
<h3>
What is an hourglass?</h3>
An hourglass is a device used to measure the passage of time.
The hourglass contains two glass bulbs connected vertically by a narrow neck that allows a regulated flow of a substance from the upper bulb to the lower one.
<h3>What is a
sundial?</h3>
A sundial is a horological device that is used to measure time of the day when there is sunlight by the apparent position of the Sun in the sky. Unlike hourglass, its doesn't move.
Thus, the two objects perform the same task of measuring time and they are hourglass and sundial.
Learn more about time measurement here: brainly.com/question/13893070
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