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Awave has a period of 2 seconds and a wavelength of 4 meters. calculate its frequency and speed.
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How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.
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Physics, 22.06.2019 12:00
Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.
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Physics, 22.06.2019 16:00
What part of the ear is names after tools, such as the hammer and the anvil?
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Awave has a period of 2 seconds and a wavelength of 4 meters. calculate its frequency and speed....
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