B. i. In a hydraulic press, a force of 200N is applied to master piston of area 25cm. If the press is designed to produce a force of 5000N, determine the area of the slave
piston.
(4marks)

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?