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A hydraulic press has 2 pistons. Piston 1 s diameter is 0.34 in, piston 2 has diameter of 1.3in Determine the force needed to lift 500lbs? I only have a 1/4 th of a two to measure by? Are parent cells diploid cells? A spaceship, 180 m long as seen on board, moves by the Earth at 0.911c. What is its length as measured by an Earth-bound observer? m? Sin =.6, theta is in quad 2, find the value of the remaining trig functions?