Posts by gf
Total # Posts: 5
A boxer punches a sheet of paper in midair and brings it from rest up to a speed of 3.6 m/s in 0.9 s. If the mass of the paper is 0.8 kg, what is the magnitude of the impulse encountered by the paper during these 0.9 seconds. [use symbols for the units and express your answer ...
February 25, 2012
Please help me with these problems. Work and answer is appreciated! :) thanks. 1. Find on the interval theta is greater than or equal to 0 and less than 2pi; then find the general solution: 5tantheta+1=-2.89 16cos^2theta-6=3 6sin^2theta+sintheta=2 costheta=.84 2tanx=7 2.Find ...
November 7, 2007
A passenger plane and a jest leave at the same time from the same airport, traveling in opposite directions. The jet travels at twice the speed of the passenger plane. They are 2400 miles apart in 4 hours. Find the speed of the passenger plane and jet.
November 6, 2007