Determine the number of significant figures in 0.055 cm
What will be an ideal response?
2
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Why is thermal conductivity not affected to a significant extent by material density?
What will be an ideal response?
____________ pushed gas and dust particles out of the solar nebula by the light from the Sun
a. Radiation pressure b. Outgassing c. Condensation d. Accretion e. Differentiation
Which of the following best describes why the smaller terrestrial worlds have cooler interiors than the larger ones?
A) They were cooler when they formed. B) The smaller ones are farther from the Sun. C) They have relatively fewer radioactive elements. D) They have relatively more surface area compared to their volumes. E) They had more volcanic eruptions in the past, which released their internal heat.
A wheel that is rotating at 33.3 rad/s is given an angular acceleration of 2.15 rad/s2. Through what angle has the wheel turned when its angular speed reaches 72.0 rad/s?
A) 83.2 rad B) 316 rad C) 697 rad D) 66.8 rad E) 948 rad