Friday
December 13, 2013

Posts by Confused

Total # Posts: 291

social studys
An estate of land, esp. one held on condition of feudal service

probability - confused
A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is a multiple of 8? Express your answer as a common fraction. I think the last 3 digits have to be divisible by 8 to be a multiple of 8...

Chemistry
For each of the bonds listed below use hybridized orbitals to classify the type of sigma bond that is formed between the two atoms. a) The sigma bond between boron and hydrogen in BH3 answer: sp^2 - p b) the sigma bond between S and fluoride in SF4. answer: sp^3d - p I underst...

General Chemistry
An electron in a hydrogen atom relaxes to the n = 4 level, emitting light of 114 THz. What is the value of n for the level in which the electron originated? I am halfway through, but uncertain as to how to simplify the problem to completion. (6.63 x 10^-34 J x s)(1.14 x 10^14 ...

Physics
When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean position?

Physics
Light cannot be linearly polarized by: transmission reflection diffraction diffraction

Physics
Which combination of primary additive colors will produce yellow-colored light? green and blue blue and red red and green cyan and magenta

Physics
Which of the following is an example of diffuse reflection? light reflected from the surface of a dry asphalt roadway light reflected from the surface of a calm lake light reflected from the surface of glossy paper light reflected from the surface of a shiny metal plate

Physics
When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean position?

Physics
A tennis ball is dropped from 1.80 m above the ground. It rebounds to a height of 1.00 m (assume down to be negative). (a) With what velocity does it hit the ground? (b) With what velocity does it leave the ground? (c) If the tennis ball were in contact with the ground for 0.0...

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