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March 27, 2017

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Posts by pius

Total # Posts: 7

math
If v=t^2-2t+1. Find s given that v=4 when t=1.
December 16, 2016

math
The faces of a green tetrahedron die are marked 10,20,30 and 40. All three die are thrown together and the scores added. Find the probability that the total is more than 30 but less than 35.
December 16, 2016

math
A body moves in a straight line so that its distance 'x' from a fixed point after 't' seconds is given by the formula x=9t^2÷2-t^3÷2 find: a; its velocity after 2 seconds b; its velocity when the acceleration is 0???
December 16, 2016

combustion
The heat of formation of gaseous octane (C8H18(g)) is -49.79 kcal/mole. (a) Calculate the energy required to form one mole of gaseous octane, (b) Estimate the heat of formation of gaseous octane, and (c) compare your estimation with the actual enthalpy of formation of the ...
October 4, 2012

Physics
A fisherman's scale stretches 2.5cm when a 2.1kg fish hangs from it. What is the spring constant andwhat will be the frequency of vibration if the fish is pulled down and released so that it vibrates up and down?
April 25, 2012

Physics
A spring vibrates at 8Hz,when a mass of 0.82kg is hung from it.What is the spring constant?
April 25, 2012

College Physics!
No force because the acceleration is zero so and force is equal to zero
October 13, 2010

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