The image of an object is 20 cm in front of a convex lens with a 10cm radius

State the following: boyle's law and charle's law

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

Avertical clean glass piezometer tube has an inside diameter of d = 1 mm and is used to measure pressure in a horizontal pipe carrying water as shown. due to pressure in the pipe, the water at 20c rises into the tube to a height h. if the water pressure in the pipe is p = 500 pa gauge, estimate the height h: (a) without considering surface tension (b) with surface tension (capillary) effects. the contact angle  can be assumed at 30 deg