Physics, 23.02.2021 03:50 marcucciisabella
The real image of a tree is magnified -0.085 times by
a telescope's primary mirror. If the tree's image forms
35 cm in front of the mirror, what is the distance
between the mirror and the tree? What is the focal
length of the mirror? What is the value for the mirror's
radius of curvature? Is the image virtual or real? Is the
image inverted or upright?
Answers: 1
Physics, 21.06.2019 22:40
Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?
Answers: 2
Physics, 22.06.2019 16:20
Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius
Answers: 1
Physics, 22.06.2019 19:30
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
The real image of a tree is magnified -0.085 times by
a telescope's primary mirror. If the tree's i...
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