How high ball goes and when it will hit ground
The ball is thrown vertically upward with the initial speed of 80ft/sec. It's height after t seconds provided by h=80t-16t2. How high ball goes? When ball hits ground?
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Describe the wavelength of light emitted when a hydrogen atom undergoes a transition from the n=250 to n=200. In what region of the EM spectrum does this wavelength fall?
The temperature dependence of the vapor pressure of the solid sulfur dioxide can be approximately represented by the relationship that of liquid sulfur dioxide by log(p/Torr) = 8.3186 - 1425.7/(T/K) and log(p/Torr) = 10.5916 - 1871.2/(T/K).
How can describe the total number of moles of sodium contained in the 1.9 g of sodium chloride and which is having 5.0 g of sodium sulfate.
A pair of fair dice is cast. Determine the probabiliy that one of numbers falling uppermost is a 5, given that two numbers falling uppermost are different?
The parking lot is to be formed by fencing in the rectangular plot of land except for the enterance 12 m wide along one of the sides. Determine dimensions of lot of greatest area if 30m of fencing is to be used.
Determine the numbers of energy in kJ/mol is needed to remove the electron from the following orbital in an H atom:
A solution were made by calculating the 1.000 moles of Copper II sulfate to make the 1.000L of solution. Suppose you need to calculate out an exact volume of this solution (among the 20 and 40mL). How can determine the moles of copper (II) sulfate
Calculate molecular geometry of the molecule PCl2F3 by using the VSEPD theory and record this structure and any deviations from the ideal bond angles. So do you calculate the Cl atoms to occupy axial or equatorial sites?
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