Recent content by khai06

I'm so confused here's the question... The wind blows with a speed of 30.0m/s over the roof of your house. A. Assuming the air inside the house is relatively stagnant, what is the pressure difference at the roof between the inside air and the outside air? B. What net force does this...

hmmm 1+1 = 0 it's possible for this mathematic equation to be true...that 1+1 might means 1( to the I direction ) + 1 ( to the J direction ) which = 0 since I and J are opposite of each others...i'm just guessing I = X and J = Y

i'm having trouble with this problem, so i want to share it with you guys so some of you can briefly describe what is it asking for and how to solve using what fomula... the question is A ball is fired from the ground with an initial speed of 1.70 x 10^3 m/s (which is approximately five times...