Physics, 18.03.2021 03:30 maddielarman6483
A convex mirror in a hardware store has a focal length of -0.5m. A boy who is 1.5m tall is standing 4.0m in front of the mirror. Calculate the image height.
Answers: 2
Physics, 22.06.2019 15:30, tiffuuu
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Physics, 22.06.2019 22:00, petroale000
Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false
Answers: 2
A convex mirror in a hardware store has a focal length of -0.5m. A boy who is 1.5m tall is standing...
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