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two batteries in parallel each of emf 10 v and internal resistance 05 are connected to an external 20 resistor find
in an lc circuit in which c 40f the maximum potential difference across tha capacitor during the oscillations is 15v
a soap film formed in a loop of wire is because of its weight not exactly uniform in thickness but wedge-shaped in
the avarage intensity of solar radiation that falls normally on surface just outside the earths atmosphere is 14 kwm2a
a grating has 600 rulings per mm and is 60 mm widea what is the smallest wavelenght interval that can be resolved in
a line in the x-ray spectrum of gold has a wavelength of 185 pm185x10-12 m the emitted x-ray photons corresponds to a
a calculate the probability that an electron in the ground state of a hydrogen atom will be found at a greater distance
the work function for cesium 181 ev is much lower than the work function for other metalsa what is the photoelectric
8 in comparing the two variances below what is the test value and what are the degrees of freedom that should be used
6 a researcher conducted a study of the access speed of 45 hard drives and concluded that his maximum error of estimate
1 the average gas mileage of a certain model car is 26 miles per gallon nbspif the gas mileages are normally
1 mrs smiths reading class can read a mean of 175 words per minute with a standard deviation of 20 words per minute
1 the mean weight of loads of rock is 460 tons with a standard deviation of 80 tons nbspif 25 loads are chosen at
15 a multiple choice quiz consists of 7 questions each with 3 possible answers if a student guesses at the answer to
9 a pet supplier has a stock of parakeets of which 30 are blue parakeets nbspa pet store orders 3 parakeets from this
1 in a survey 85 of the voters support a particular referendum nbspif 40 voters are chosen at random and x is the
1 find the mean of the distribution shownx 0 3 5px 036 040 024a nbsp188 nbsp nbspb nbsp276 nbsp nbspc nbsp120 nbsp
1 an apartment building has the following apartments 1 bedroom 2 bedroom 3 bedroom1st floor 3 1 12nd floor 1 3 23rd
1 on an eight question true-false quiz a student guesses each answer what is the probability that heshe gets at least
1 a student and a professor each choose a number between 1 and 7 1 and 7 are both possible choices what is the
1 if the mean of a set of data is 2300 and 1260 has a z-score of ndash130 then the standard deviation must bea nbsp400
have you or do you personally know anyone who has faced a reduction in hours due to the economy how would your life
compare differing conceptualizations of the mind and how the mind is studied address the influence of internal and
describe two specific emotions you have experienced one pleasant and one unpleasant select two theories of emotion
what is it when someone is hit suddenly with an incapacitating attack of