Physics, 04.11.2020 18:00 Ancelingabaut
A thin tungsten filament of length 1.5 m radiates 60 W of energy in the form of electromagnetic waves. A perfectly absorbing surface in the form of a hollow cylinder of radius 5 cm and length 1.5 m is placed concentric with the filament. Calculate the radiation pressure acting on the cylinder. Neglect the end effects.
Answers: 3
Physics, 22.06.2019 15:20
A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant
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Physics, 22.06.2019 15:50
The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?
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Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
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Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. intensity c. wavelength d. brightness
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A thin tungsten filament of length 1.5 m radiates 60 W of energy in the form of electromagnetic wave...
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