Recent content by NYCHE89

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    Calculating Braking Force for a 3000 lb Car

    so I can use F=ma and V= V_initial + a*t by rearranging and coming up with F=(m*Delta V)/t ? As to your second question, I haven't learned anything about the ratio of cylinders or hydraulics. What is the ratio?
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    Calculating Braking Force for a 3000 lb Car

    Homework Statement How much pressure must be exerted by the braking system of a car weighing 3000 lb, if you want to stop it from 40 mph to 0 in 1.5 seconds? Assume the total braking surface of the four wheels is 96 in^2. How much force must be exerted by your foot on the brake pedal in the...
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    How many tanks can a 150 ft. barge carry without sinking more than 1 ft?

    Homework Statement A barge 150 ft. long and 30 ft. wide is to carry a payload of 10-ton light tanks over water. If the barge is to sink no more than an addictional 1 ft, how many tanks can be loaded? Homework Equations The Attempt at a Solution Buoyant Force = fluid density x...