PRACTICE 4. In a newly designed car with a hydraulic braking system, a force of 85 N is
applied to one of the master cylinders, which has an area of 8.1 cm². The
master cylinder is connected to one brake piston, which exerts a force of
296 N. What is the area of the brake piston?

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.