Recent content by denxnis

Website states this is Incorrect. Consider two displacements, one of magnitude 2.9 m and another of magnitude 4.4 m. What angle between the directions of this two displacements give a resultant displacement of magnitude (a) 5.6 m, (b) 2.9 m, and (c) 4.6 m. 98.1 40.7 75.0

Apologies, ρ = density - P = pressure - F = force - b = bottom of pool - z = area of pool Pb = ρgz Fb = PbA

Homework Statement A swimming pool has dimensions 34.0 m 9.0 m and a flat bottom. When the pool is filled to a depth of 2.30 m with fresh water, what is the force caused by the water on the bottom? I have the answer to this which is 6.90 x 10^6, however I cannot figure out the pressure on the...

Homework Statement Here is a link to the graph. http://www.webassign.net/pse/pse6_p2-12.gif Find the distance traveled in the first 20 seconds. Homework Equations Integral once = velocity Integral twice = position I attempted to use the following formula: a = [ 2 ( x -...

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Homework Statement Speedy Sue, driving at 33.0 m/s, enters a one-lane tunnel. She then observes a slow-moving van 165 m ahead traveling with velocity 5.20 m/s. Sue applies her brakes but can accelerate only at -2.00 m/s2 because the road is wet. Will there be a collision? If yes, determine...