Wednesday
May 22, 2013

# Posts by Ian

Total # Posts: 182

Science
What is a reference point in determining force, velocity,speed?

Science
If a car is going 65mph makes a 90 degree, what changes?

statistics
8. Assume that the MM207 Student Data Set is a random sample of all Kaplan students; estimate the proportion of all Kaplan students who are male using a 90% level of confidence.

math
p=6s,for s

physics
If a sprinter’s velocity increases to three times the original velocity, by what factor does the kinetic energy increase?

history
why did people come to jamestown? Opitional homework question (If you read the book "Our Strange New Land" , why did elizabeth go to jamestown.

chemistry
dont i have to use 10.7 torr and convert it to atm,then it gives me o.01407..otherwise.my mol is a very big number..

chemistry
yeah ur right..it should be 0.0804 g/mL..sorry bout that..

chemistry
if u place 10 L of propanol (C3H8O)in a sealed room that is 7.5 m long , 3 m wide and 3 m high, will all the propanol eveporate?if some liquid remains, how much will there be?the vaopr pressure of propanol is 10.7 torr at 25 C, and the density if the liquid at this temperature...

physics
An airplane passenger carries a 250 N suitcase up the stairs, a displacement of 4.70 m vertically, and 5.30 m horizontally. How much work does the passenger do?

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