The hypernova model is one possible explanation for ________
Fill in the blank(s) with correct word
gamma-ray bursts
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The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass. An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water. The change in length of the ordinary glass rod will be ___________ the change in length of the Pyrex glass rod
a. 1/9 b. 1/3 c. equal to d. 3 times e. 9 times
A 0.150-kg air track cart is attached to an ideal spring with a spring constant of 3.58 N/m and undergoes simple harmonic oscillations. What is the period of the oscillations?
A) 2.57 s B) 0.527 s C) 0.263 s D) 1.14 s E) 1.29 s
Find the resonant frequency for a series RLC circuit where R = 10 ?, C = 5.00 ?F, and L = 2.00 mH
a. 998 Hz b. 1.59 kHz c. 2.45 kHz d. 11.3 kHz e. 2.53 kHz
What temperature exists inside a solar collector (effective collection area of 15 m2 ) on a bright sunny day when the outside temperature is +20°C?
Assume that the collector is thermally insulated, that the Sun radiates the collector with a power per unit area of 600 W/m2, and that the collector acts as a perfect blackbody. A) 73°C B) 81°C C) 93°C D) 107°C E) 154°C