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Dickson
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Dickson
Questions (9)
A hemispherical paper is folder into a hallow right circular cone. The radius of the hemispherical paper is 12cm. What's the
1 answer
451 views
In a class of 40 boys, 18 passed Business Mathematics, 19 passed Accounts, 10 passed Economics, 6 passed Accounts only, 5 passed
1 answer
484 views
in a class of 40 boys 18 passed business mathematics, 19 passed accounts, 10 passed economics, 6 passed accounts only, 5 passed
1 answer
528 views
if Sin=(2theta-30degrees)= Cos=(3thetas+40degrees) then what is the value of the theta
1 answer
401 views
A man which travel due north in other to cross a river 5km wide flowing due east at 3km/h. If he can roll at 10km/h in still
7 answers
3,646 views
A circuit consisting of three resistances 12 Ω, 18 Ω and 36 Ω respectively, joined in
parallel, is connected in series with
3 answers
396 views
Write a pascal program to compute sale tax rate on 7% percent. Take the 7% percent to be a constant equivelent to 0.07
3 answers
438 views
describe how you would fully obtain solid lead 11 carbonate from a mixture of lead 11 carbonate , iron fillings and sodium
2 answers
226 views
State Archimedes principle.
1 answer
91 views
Answers (6)
How long will it take a shell fired from a cliff at an initial velocity of 800m/s at an angle of 30degree below the horizontal to reach the ground 1500m below
explain how you would obtain solid lead carbonate from a mixture of lead carbonate and sodium carbonate powder
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Answer
charge carrier density here means how many electrons per cm^3 will go into conductivity band For temp1, 31C -> 304.2K 2.25*10^6 = exp( - 2.275*10^-19 / (1.381*10^-23 * 304.2)) For temp2, 175C -> 448.2K x = exp( - 2.275*10^-19 / (1.381*10^-23 * 448.2)) put
