Physics, 08.12.2020 02:10 quintinjerome
A student clearly views the image of a bug that is 15 cm from the surface of the magnifying lens when his eye is 5 cm from the
other side of the lens. Describe the image and calculate its distance.
A)
The image is upright, magnified and at a distance of 7.5 cm.
B)
The image is inverted, magnified and at a distance of 7.5cm
C)
Eliminate
The image is upright, magnified and at a distance of 3.75 cm.
D)
The image is inverted, magnified and at a distance of 3.75 cm.
Answers: 2
Physics, 21.06.2019 19:00
What is work? how much work is done to move an object 0 meters?
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What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?
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Physics, 22.06.2019 19:20
Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.
Answers: 1
A student clearly views the image of a bug that is 15 cm from the surface of the magnifying lens whe...
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