26 Displacement in a plane (given initial and final positions) 27 Speed (given traveled distance and time interval) 28 Speed (given initial speed,acceleration and time) 29 Displacement (given initial speed, final speed and time interval) 30 Displacement (given initial velocity,acceleration and time interval) 31 Position at time t (given initial position,initial speed,acceleration,time interval) 32 Final speed,Torricelli\'s equation (given initial speed,acceleration and displacement) 33 Kinetic energy (given mass and speed) 34 Relative speed (given speeds of two objects) 35 Speed in polar coordinates (given transverse velocity and radial velocity) 36 Weight, gravitation or gravity (given mass, local acceleration of free fall) 37 Newton\'s law of universal gravitation 38 Density (given mass and volume) 39 Mass (given density and volume) 40 Volume (given mass and density) 41 Pressure (given normal force and area) 42 Normal force (given pressure and area) 43 Area of the surface area on contact (given normal force and pressure) 44 Fluid pressure,liquid pressure or pressure at depth (given density,height) 45 Liquid height or depth (given pressure,density,acceleration of gravity) 46 Liquid density (given liquid pressure,height,acceleration of gravity) 47 Buoyancy by Archimedes\' principle (given liquid density,volume of liquid displaced) 48 Density of liquid by Archimedes\' principle (given buoyancy,volumn of liquid displaced) 49 Volumn of liquid displaced by Archimedes\' principle (given buoyance,density of liquid) 50 Power or force of lever (given power arm,work,work arm) 